Source   Charts, other  [green=AvNav or FAA 5010]          COLORADO	Date	FIELD NAME	Code	Status - current	Town	Type	LAT	LAT	LONG   Note: All long. Degress are positive (west)	LONG   Note: All long. Degress are negative	ELV	SURFACE	Number of Runways	RUNWAY LENGTH	Remarks & Notes                                                                                  copyrighted 2005-2009                                                                                 David W Brooks
A - Denver							Degrees               D M S	Decimal	Degrees                  D M S	Decimal	feet			feet (longest)	last update;  10/18/2009
USGS NAPP	1998	Unidentified (Metrogro Farm)	CO25	A	Agate	Private	39-29-46	39.496111	103-43-37	-103.726944	5,240	Asphalt	1	3,700	According to AirNav, this field started 05/2006.  Not charted at owners request.  However, there is a dirt/gravel runway appears on the 1998 USGS NAPP photo.  Nothing on the USGS NAPP 1993 aerial photo.
AirNav	2006	Metrogro Farm	CO25	A	Agate	Private	39-29-46	39.496111	103-43-37	-103.726944	5,240	Asphalt	1	3,700	According to AirNav, this field started 05/2006.  Not charted at owners request.
FAA 5010	Current	Metrogro Farm	CO25	A	Agate	Private	39-29-46	39.496111	103-43-37	-103.726944	5,240	Asphalt	1	3,700	3700x48(16/34); 10 miles ENE; not charted; first noticed in FAA 5010 9/1/06.  Not charted on Wichita SACs.
ADC	1934	Akron Civil		D	Akron	Civil	- - - -	- - - -	- - - -	- - - -	4,639	Turf	2	5,234	4650x600(N/S); 5234x600(E/W); 3 miles SE.  This is an odd entry.  The description matches American Legion 3rd location but no entries in 1935, 1936 or 1937.  Odd.
7M RAC	1942	Akron CAA 9		C	Akron	Inter.	40-07-00	40.116667	103-09-30	-103.158333	4,585	Turf	2	5,300	3.9 miles SE, RR and US34 to west; built some time in the early 1940s.  There is a possibility that this intermediate replaced the Akron Legion airport (2nd and 3rd locations).  The runway data would favor the American Legion 3rd location.  The 1998 NAPP aerial picture does have what might have been the "L" shape which the intermediate continued to use.  Only a possibility - no confirmation.
Laramie WAC306	1958	Akron CAA 9		C	Akron	Inter.	40-07-00	40.116667	103-09-30	-103.158333	4,585	Turf	2	5,200	4.2 miles SE; closed by 1960.  new airport constructed at Akron - Akron-Washington (AKO) replaced the older CAA field;
Laramie WAC306	1948	Douglas		A	Akron	AF	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,400	Turf	2	2,800	1 mile North.  According to AirNav, this field started 10/1946.
Cheyenne SAC U-4	1950	Douglas		A	Akron	Civil	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,600	Turf	2	2,800
Cheyenne SAC U-4	1951	Ward		A	Akron	Civil	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,600	Turf	2	2,800	on north side of town; aka Douglas
Laramie WAC306	1958	Ward		A	Akron	Civil	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,660	Turf	2	2,800
AvWeek Dir.	1960	Akron-Washington		A	Akron	Civil	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,600	Turf	2	4,100	(ESE); 0.7 mile north probably came into existence about 1959
Cheyenne SAC	1999	Akron-Washington	AKO	A	Akron	Civil	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,695	Hard	1	7,000
Cheyenne SAC	2001	Colorado Plains Regional	AKO	A	Akron	Civil	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,695	Hard	1	7,000
FAA 5010	Current	Colorado Plains Regional	AKO	A	Akron	Civil	40-10-32.28	40.1756333	103-13-19.3	-103.2220278	4,714	Asphalt	1	7,000	7000x100(11/29); 1 mile North
CAA Bulletin No 2	1931	American Legion (1st Location)		C	Akron	AF	- - - -	- - - -	- - - -	- - - -	4,600	Turf	all way	1,320	1320x1320; 1 mile north
ADC	1934	American Legion (1st Location)		C	Akron	AF	- - - -	- - - -	- - - -	- - - -	4,600	Turf	all way	1,320	1320x1320; 1 mile north.  This location might well be the SE corner of the current Colorado Plains Regional airport.
CAA Bulletin No 2	1934	American Legion (2nd Location)		C	Akron	Civil	40-08	40.133333	103-13	-103.216667	4,500	Turf	all way	2,640	2640x2640 field; 2.5 miles south. US Highway 63 to east.
ADC	1938	American Legion (2nd Location)		C	Akron	Civil	40-08	40.133333	103-13	-103.216667	4,500	Turf	all way	2,640	2640x2640; 2.5 miles south
CAA Bulletin No 2	1938	American Legion (3rd Location)		C	Akron	Civil	40-08	40.133333	103-10	-103.166667	4,639	Turf	2	5,234	4650x600(N/S); 5234x600(E/W) - "L" shaped layout; 3 miles SE.  NOTE - this could be the same as the 2nd location. Difference in longitude could be an error for either one.  However, it appears to be expanded and thus they might have moved it a bit further west.
ADC	1939	American Legion (3rd Location)		C	Akron	Civil	40-08	40.133333	103-10	-103.166667	4,500	Turf	2	5,234	4650x600(N/S); 5234x600(E/W) - "L" shaped layout; 3 miles SE.  There is a good possibility that this became Akron CAA #9 intermediate airfield (see above)
Cheyenne SAC U-4	1964	Gebauer Ranch		A	Akron	AF	40-14-39.931	40.2444253	103-05-36.78	-103.09355	4,540	Gravel	2	3,100	According to AirNav, this field started 04/1963.
FAA 5010	Current	Gebauer Ranch	5V6	A	Akron	AF	40-14-39.931	40.2444253	103-05-36.78	-103.09355	4,509	Turf	2	3,000	3000x70(8/26); 2150x70(11/29); 10 miles NE
12M RAC	1943	Alamosa		A	Alamosa	Civil	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,550	Turf	3	5,800	According to AirNav, this field started 03/1941.
DEN SAC	1985	Alamosa	ALS	A	Alamosa	Civil	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,535	Hard	1	8,500
DEN SAC	1986	Alamosa-Bergman	ALS	A	Alamosa	Civil	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,535	Hard	1	8,500	about 2 miles South; aka Alamosa
DEN SAC	1994	Alamosa-Bergman	ALS	A	Alamosa	Civil	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,535	Hard	1	8,500
CO Aeronautical Chart	1995	San Luis Valley Regional	ALS	A	Alamosa	AF	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,535	Asphalt	2	8,800	8800x100(2/20); 4700x100(D)(6/27)
CO Aeronautical Chart	1996	San Luis Valley Regional	ALS	A	Alamosa	AF	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,535	Asphalt	2	8,800	8800x100(2/20); 4700x100(D)(6/27)
Flight Guide	1998	San Luis Valley Regional/Bergman Field	ALS	A	Alamosa	AF	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,535	Asphalt	2	8,800	8800x100(2/20); 4700x100(D)(6/24)
FAA 5010	Current	San Luis Valley Regional/Bergman Field	ALS	A	Alamosa	Civil	37-26-05.7	37.4349167	105-51-59.6	-105.8665556	7,539	Asphalt	2	8,519	8519x100(2/20); 3200x100(D)(6/24); 2 miles south
CAA Bulletin No 2	1931	Alamosa Municipal (1st location)		C	Alamosa	Civil	37-28-30	37.475	105-53-45	-105.895833	7,500	Turf	2	5,800	5800x100(NW/SE); 3500x400(NE/SW); 1.5 miles NW, RR, highway and Rio Grade River to North
ADC	1934	Alamosa Airport (1st location)		C	Alamosa	AF	37-28-30	37.475	105-53-45	-105.895833	7,500	Turf	2	5,800	5800x100(NW/SE); 3500x400(NE/SW); 1.5 miles NW, RR, highway and Rio Grade River to North
Trinidad SAC J-13	1936	Alamosa Airport (2nd location)		C	Alamosa	AF	37-29	37.483333	105-55	-105.916667	7,550	Turf	3	6,000	about 3 miles NW
ADC	1939	Alamosa Airport (2nd location)		C	Alamosa	AF	37-29	37.483333	105-55	-105.916667	7,550	Turf	3	6,000	5800x400(NW/SE); 3500x500(NE/SW); 6000x500(E/W); entire field available; 3 miles NW, RR, highway and Rio Grande River to North
Trinidad SAC S-4	1948	Kramer		C	Alamosa	Civil	37-28	37.466667	105-55	-105.916667	7,550	Turf	2	5,200
Trinidad SAC S-4	1957	Kramer		C	Alamosa	Civil	37-28	37.466667	105-55	-105.916667	7,550	Dirt	3	5,200
7M RAC	1942	Alvin CAA 15		C	Alvin	Inter.	40-21-30	40.358333	102-06-30	-102.108333	3,611	Turf	2	4,000	3.5 miles NNE
Haire Directory	1948	Alvin CAA 15		C	Alvin	Inter.	40-21-30	40.358333	102-06-30	-102.108333	3,600	Turf	2	4,038	4038x488(NW/SE); 3788x488(NE/SW) - "X" shape; 3.5 miles NNE; not on 1950 Cheyenne SAC.
Trinidad SAC J-13	1936	Antonito		C	Antonito	AF	37-03-14.61	37.054058	106-02-07.29	-106.035358	7,938	Turf	2	5,280
Trinidad SAC S-4	1951	Antonito		C	Antonito	Civil	37-03-14.61	37.054058	106-02-07.29	-106.035358	7,700	Turf	3	5,200	about 2 miles SW; this field may have been closed or inactive for a period during WW2; not on 1952 Trinidad SAC.  There are several runways still visible at this location, but do not match the original layout.  Was it used later but uncharted and unreported?
AOPA	1976	Navajo Landing Strip		C	Arboles	AF	37-00.08	37.001333	107-25.37	-107.422833	6,110	Dirt	1	3,150	3150x75(18/36); 1 mile SE; this airfield was not charted
AOPA	2001	Navajo Landing Strip	5V9	C	Arboles	AF	37-00.08	37.001333	107-25.37	-107.422833	6,110	Dirt	1	2,950	2950x36(18/36); 1 mile SE; not in 2003 directory
A/N Directory	1943	Arlington No 4		C	Arlington	Military	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000	aux to La Junta AAF
SangreMts WAC361	1946	Arlington No 4		C	Arlington	Military	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000
Haire Directory	1948	Surplus Army Field		C	Arlington	AF	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000	7000(NE/SW); 6000(NW/SE); 6000(E/W); 2 mile east.
DEN SAC T-4	1951	Arlington AF		C	Arlington	AF	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000	for some reason not on 1948 or '49 Denver SACs or WACs. Closed?
SangreMts WAC361	1952	Arlington AF		C	Arlington	AF	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000	about 10 miles SE
AvWeek Dir.	1953	Arlington AF		C	Arlington	X	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000	listed as being closed.
SangreMts WAC361	1953	Arlington AF		C	Arlington	AF	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000
DEN SAC T-4	1958	Arlington AF		C	Arlington	AF	38-19-30	38.325	103-16-15	-103.270833	4,424	Hard	3	7,000	Does not show up on 1960 Denver SACs
DEN SAC T-4	1963	Ronald Anderson Ranch		C	Arlington	Private	38-33-42.35	38.561764	103-25-08.97	-103.419158	4,490	Turf	2	2,640	about 17 miles North NNW
Wichita SAC	1971	Ronald Anderson Ranch		C	Arlington	Private	38-33-42.35	38.561764	103-25-08.97	-103.419158	4,490	Turf	2	3,000
Wichita SAC	1975	Davis Ranch		C	Arlington	Private	38-33-42.35	38.561764	103-25-08.97	-103.419158	4,490	Turf	2	3,000	aka Anderson
Wichita SAC	1986	Davis Ranch		C	Arlington	Private	38-33-42.35	38.561764	103-25-08.97	-103.419158	4,490	Turf	2	3,000	Not on 1990 Wichita SAC.
DEN SAC T-4	1958	Mauarer Ranch		C	Aroya	Private	38-51-25.04	38.856956	103-07-17.14	-103.121428	4,550	Dirt	3	2,500
Wichita SAC	1980	Mauarer Ranch		C	Aroya	AF	38-51-25.04	38.856956	103-07-17.14	-103.121428	4,680	Turf	2	3,200	1 miles east; not charted by 1982 Wichita SAC.
DEN SAC	1977	Aspen Gliderport		A	Aspen	Private	39-15-35.947	39.259985	106-54-44.152	-106.912264	8,440	Turf	1	2,500	depicted with a glider symbol only.  Not depicted at all on 1975 Denver SAC.  According to AirNav, this field started 12/1971.  Took several years to get charted.
FAA 5010	Current	Aspen Gliderport	CO03	A	Aspen	Private	39-15-35.947	39.259985	106-54-44.152	-106.912264	8,440	Dirt	1	2,500	2500x50(2/20); 7 miles west;
DEN SAC T-4	1949	Aspen		A	Aspen	Civil	39-13-23.4	39.2231667	106-52-07.9	-106.8688611	7,800	Turf	1	4,500	(NW); 3.5 miles NW.  According to AirNav, this field started 03/1949.
DEN SAC T-4	1958	Aspen		A	Aspen	Civil	39-13-23.4	39.2231667	106-52-07.9	-106.8688611	7,800	Dirt	1	5,200
DEN SAC T-4	1963	Aspen-Pitkin County/Sardy Field		A	Aspen	Civil	39-13-23.4	39.2231667	106-52-07.9	-106.8688611	7,773	Bituminous	1	5,200	aka Aspen
FAA 5010	Current	Aspen-Pitkin County/Sardy Field	ASE	A	Aspen	Civil	39-13-23.4	39.2231667	106-52-07.9	-106.8688611	7,820	Asphalt	1	7,006	7006x100(15/33); 3 miles NW
DEN SAC	1980	Shipman Ranch		A	Austin	Private	38-50-07.38	38.835383	107-51-33.13	-107.859203	6,200	Turf	1	3,000	According to AirNav, this field started 08/1977.
FAA 5010	Current	Shipman Ranch	5CO1	A	Austin	Private	38-50-07.38	38.835383	107-51-33.13	-107.859203	6,119	Turf	1	3,000	3000x110(2/20); 5 miles NE; assuming I have correctly IDed this field; the coordinates are off and these are correct.
DEN SAC	1980	Avon Stolport		C	Avon	Private	39-37-42.096	39.62836	106-30-27.792	-106.50772	7,540	Hard	1	4,000	Not on 1977 Denver SAC.
DEN SAC	1986	Avon Stolport		C	Avon	Private	39-37-42.096	39.62836	106-30-27.792	-106.50772	7,492	Hard	1	4,500
DEN SAC	1994	Avon Stolport		C	Avon	X	39-37-42.096	39.62836	106-30-27.792	-106.50772	7,492	Hard	1	4,500	marked closed on this chart
DEN SAC T-4	1967	Comstock Ranch		C	Avondale	Private	38-08-34.97	38.143047	104-25-16.19	-104.421164	4,768	Dirt	1	2,565	Not on 1963 Denver SAC.
DEN SAC	1973	Comstock Ranch		C	Avondale	Private	38-08-34.97	38.143047	104-25-16.19	-104.421164	4,768	Turf	1	2,500	Not on 1975 Denver SAC.
DEN TAC	2004	Greggs No 1	0CO3	A	Bennett	Private	39-53-21.944	39.889429	104-32-41.861	-104.544961	5,373	Dirt	1	4,200	According to AirNav, this field started 08/1990.  Only charted on Denver's TAC charts.  Not on SACs.
FAA 5010	Current	Greggs No 1	0CO3	A	Bennett	Private	39-53-21.944	39.889429	104-32-41.861	-104.544961	5,373	Dirt	1	4,200	4200x30(18/36); 9 miles NW.  Not charted on Denver SACs.  Only on Denver's TAC.
DEN SAC	1991	Harrington Ranch		C	Bennett	Private	39-37-46.95	39.629708	104-31-06.876	-104.518577	5,975	Turf	1	3,500	Not on 1986 Denver SAC.
DEN SAC	2009	Harrington Ranch	0CO2	C	Bennett	Private	39-37-46.95	39.629708	104-31-06.876	-104.518577	5,975	Turf	1	3,500	3500x50(N/S); 9 miles SW
DEN SAC	1986	Hoy		A	Bennett	Private	39-50-08.943	39.835818	104-25-19.854	-104.422182	5,310	Dirt	1	2,600	Not on 1985 Denver SAC.  According to AirNav, this field started 11/1985.
FAA 5010	Current	Hoy	76CO	A	Bennett	Private	39-50-08.943	39.835818	104-25-19.854	-104.422182	5,310	Dirt	1	2,640	2640x40(17/35); 5 miles south
DEN SAC	1994	J & S		A	Bennett	Private	39-49-13.856	39.835818	104-25-19.854	-104.422182	5,320	Dirt	1	2,600
FAA 5010	Current	J & S	CD14	A	Bennett	Private	39-49-13.856	39.835818	104-25-19.854	-104.422182	5,320	Dirt	1	2,600	2600x60(17/35); 4 miles north
DEN TAC	2004	Logan	96CO	A	Bennett	Private	39-51-23.16	39.856433	104-23-45.72	-104.396033	5,300	Turf	2	2,400	According to AirNav, this field started 05/2000.
FAA 5010	Current	Logan	96CO	A	Bennett	Private	39-51-23.16	39.856433	104-23-45.72	-104.396033	5,300	Turf	2	2,400	2400x100(17/35); 1200x100(8/26); 7 miles NE
DEN SAC	1980	Pilland		C	Bennett	Private	39-48-30	39.808333	104-29-15	-104.4875	5,400	Turf	- - -	5,000	Not on 1977 Denver SAC.
DEN SAC	1982	Pilland		C	Bennett	Private	39-48-30	39.808333	104-29-15	-104.4875	5,400	Turf	- - -	5,000	Not on 1985 Denver SAC.  Can not confirm the exact location of this airfield.  Apparently very short lived airstrip.
DEN SAC	1991	Yoder Airstrip		A	Bennett	Private	39-49-10.942	39.819706	104-24-32.853	-104.409126	5,345	Turf	1	2,900	According to AirNav, this field started 05/1987.
FAA 5010	Current	Yoder Airstrip	CD09	A	Bennett	Private	39-49-10.942	39.819706	104-24-32.853	-104.409126	5,345	Turf	1	2,900	2900x50(8/26); 5 miles NE
DEN TAC	2004	Young's Strip		A	Bennett	Private	39-41-28	39.691111	104-24-56	-104.415556	5,650	Dirt	1	2,400	According to AirNav, this field started 03/2000.  Not on 2001 Denver SAC.
FAA 5010	Current	Young's Strip	87CO	A	Bennett	Private	39-41-28	39.691111	104-24-56	-104.415556	5,650	Dirt	1	2,400	2400x15(18/36); 3 miles SW.  Note - the runway runs parallel to road.
Cheyenne SAC	2001	Lazy W		A	Berthoud	Private	40-18-48.9	40.313583	105-08-42.9	-105.14525	5,200	Dirt	1	2,600	2600x80(8/26); 3 miles west; not on 1999 Cheyenne SAC.  According to AirNav, this field started 03/2000.
FAA 5010	Current	Lazy W	86CO	A	Berthoud	Private	40-18-48.9	40.313583	105-08-42.9	-105.14525	5,200	Dirt	1	2,600	2600x80(8/26); 3 miles west
DEN TAC	2005	Pond's Field	CD39	A	Berthoud	Private	40-15-54	40.265	105-08-12	-105.136667	5,050	Turf	1	2,500	Not on 2004 Denver TAC; not on Cheyenne SACs.  According to AirNav, this field started 10/2004.  However, the 1999 USGS NAPP photo shows the runway.  So there may have been a fore runner to this airfield.  No data on earlier airfield is currently available (charts or listings).
FAA 5010	Current	Pond's Field	CD39	A	Berthoud	Private	40-15-54	40.265	105-08-12	-105.136667	5,050	Turf	1	2,500	2500x60(8/26); 5 miles SW
DEN TAC	2007	Skylane Ranch		A	Berthoud	Private	40-16-20.13	40.272258	105-01-57.45	-105.032625	5,000	Turf	1	2,500	not on 2006 Denver TAC.According to AirNav, this field started 02/2007.  However, the 1999 USGS NAPP photo shows an airplane at the field.  So it may have been operating earlier than what is indicated here.  However, it was not charted or listed.
FAA 5010	Current	Skylane Ranch	17CO	A	Berthoud	Private	40-16-20.13	40.272258	105-01-57.45	-105.032625	5,000	Turf	1	2,500	2500x40(9/27); 3 miles SE;;
DEN SAC	1982	Good Pasture		C	Beulah	Private	38-05-50.2	38.097278	104-54-36.947	-104.910263	6,000	Turf	1	2,500	Not on 1980 Denver SAC.  Charted simply as "Good".
DEN SAC	2005	Good Pasture	14CO	C	Beulah	Private	38-05-50.2	38.097278	104-54-36.947	-104.910263	6,000	Turf	1	2,500	2500x30(5/23); 7 miles east; not on 2006 Denver SAC.  I am not sure of these coordinates.  There is nothing that looks like a runway.  It might have just been that meadow they used.
AOPA	1966	Colorado Sierra		A?	Black Hawk	Private	39-51-14.954	39.854154	105-28-16.984	-105.471384	8,900	Turf	1	2,000	According to AirNav, this field started 02/1960.
DEN SAC	1985	Colorado Sierra		A?	Black Hawk	Private	39-51-14.954	39.854154	105-28-16.984	-105.471384	8,900	Turf	1	2,000
DEN SAC	1986	Athanasiou Valley		A?	Black Hawk	Private	39-51-14.954	39.854154	105-28-16.984	-105.471384	8,900	Turf	1	2,000	aka Colorado Sierra
FAA 5010  --  see remaks	Current	Athanasiou Valley	CO07	A?	Black Hawk	Private	39-51-14.954	39.854154	105-28-16.984	-105.471384	8,900	Turf	1	2,000	2000x200(E/W); 7 miles north; at these coordinates is just a small field and I don't find it matching the description.  Is this really active? Still charted and listed!  Where is it??
Haire Directory	1948	Blanca Municipal		A	Blanca	AF	37-24-40.029	37.4111192	105-33-06.048	-105.55168	7,980	Turf	1	5,600	5600(NE/SW); 2 miles SW.  According to AirNav, this field started 01/1948.
FAA 5010	Current	Blanca Municipal	05V	A	Blanca	AF	37-24-40.029	37.4111192	105-33-06.048	-105.55168	7,720	Dirt	1	6,160	6160x52(3/21); about 3-4 miles SW
AOPA	1966	Skinkle		C	Blanca	Private	37-23-03.0	37.384167	105-29-17.66	-105.488239	7,774	Turf	1	2,600
DEN SAC	1986	Skinkle		C	Blanca	Private	37-23-03.0	37.384167	105-29-17.66	-105.488239	7,774	Turf	1	2,600
DEN SAC	1977	Youtsey		A	Boone	Private	38-15-28.79	38.257997	104-17-30.43	-104.291786	4,500	Turf	1	2,000	According to AirNav, this field started 08/1975.
FAA 5010	Current	Youtsey	CO09	A	Boone	Private	38-15-28.79	38.257997	104-17-30.43	-104.291786	4,500	Gravel	1	2,300	2300x35(11/29); 2 miles west; coordinates on 5010 are off, these are correct.
ADC	1939	Boulder Municipal		A	Boulder	Civil	40-02-21.947	40.0394297	105-13-32.958	-105.2258217	5,350	Turf	2	3,000	3000x250 for each NE/SW and NW/SE; 3 miles NE.  According to AirNav, this field opened 04/1940, but it is listed in the 1939 directory.
DEN TAC	2006	Boulder Municipal	1V5	A	Boulder	Civil	40-02-21.947	40.0394297	105-13-32.958	-105.2258217	5,288	Hard	2	4,100
FAA 5010	Current	Boulder Municipal	BDU	A	Boulder	Civil	40-02-21.947	40.0394297	105-13-32.958	-105.2258217	5,288	Asphalt	1	4,100	4100x75(8/26); on NE side of town
7M RAC	1942	Colorado State College		C	Boulder	Civil	- - -	- - -	- - -	- - -	5,150	Turf	- - -	- - -	about 4 miles NW of town
DEN TAC	1982	Lemons Private Strip		A	Boulder	Private	39-59-40.947	39.994708	105-13-25.957	-105.223877	5,230	Gravel	1	3,000	According to AirNav, this field started 10/1976.  Apparently only charted on DEN TACs.  Prior to that, It appears to have not been charted.
FAA 5010	Current	Lemons Private Strip	CO10	A	Boulder	Private	39-59-40.947	39.994708	105-13-25.957	-105.223877	5,230	Gravel	1	3,000	3000x75(N/S); SE of town
AOPA	1966	Materhorn Strip		C	Boulder	Private	39-57	39.95	105-15	-105.25	6,000	Turf	2	5,280	5280(9/27); 700(18/36); 5 miles
AOPA	1968	Materhorn Strip		C	Boulder	Private	39-57	39.95	105-15	-105.25	6,000	Turf	2	5,280	5280(9/27); 700(18/36); 5 miles
AirNav	2000	Highline Farm Airstrip		A	Bracewell	Private	40-28-17.4	40.4715	104-48-48.5	-104.813472	4,745	Turf	1	1,400	According to AirNav, this field started 03/2000.  Not charted currently.  Likely as it is a STOL classified airfield.  Another issue is that the USGS NAPP 1999 photo shows the runway.  It is unknown if it was used prior to its "official" start or not.
FAA 5010	Current	Highline Farm Airstrip	67CO	A	Bracewell	Private	40-28-17.4	40.4715	104-48-48.5	-104.813472	4,745	Turf	1	1,400	1400x75(17/35); 7 miles west
Wichita SAC	1980	Scherler		A	Brandon	Private	38-34-36.036	38.576677	102-26-13.68	-102.437133	4,126	Turf	1	5,300	Not on 1978 Wichita SAC.
FAA 5010	Current	Scherler	9CO5	A	Brandon	Private	38-34-36.036	38.576677	102-26-13.68	-102.437133	4,126	Gravel	1	5,280	5280x50(17/35); 7 miles north
Wichita SAC	2006	Jecan	06CO	A	Branson	Private	37-23-15.05	37.387514	103-41-27.82	-103.691061	5,100	Turf	1	4,500	According to AirNav, this field started 09/2004.  Was not charted till 2006 Wichita SAC.  However, there is a USGS topo 1984 which depicts a landing strip at this same location.  Was this same name and not entered officially till 2004?  Or was it some one else and did not have it charted or listed?  Not on 1982 USGS topo chart.
FAA 5010	Current	Jecan	06CO	A	Branson	Private	37-23-15.05	37.387514	103-41-27.82	-103.691061	5,100	Turf	1	4,500	4500x75(17/35); 28 miles NNE
USGS topo	1984	Unknown 1 - Branson CO		?	Branson	U	37-22-43.39	37.378719	103-42-10.11	-103.702808	5,367	Turf	1	2,400	2400x25(NE/SW); there appears to be an E/W runway too about 2300x25 not depicted on 1984 USGS topo.  Not charted or listed anywhere that I am aware of.
Google Earth	2006	Unknown 1 - Branson CO		?	Branson	U	37-22-43.39	37.378719	103-42-10.11	-103.702808	5,367	Turf	1	2,400	Appears to have been disused for many years.  About 27.5 miles NNE of Branson.  Very close to the current Jecan.
DEN SAC T-4	1963	Hanson		C	Breckenridge	Civil	39-30-33.49	39.509303	106-03-01.5	-106.050417	9,450	Gravel	1	4,350	2 miles north.  Likely opened around 1960-2 time frame.
DEN SAC	1970	Hanson		C	Breckenridge	Private	39-30-33.49	39.509303	106-03-01.5	-106.050417	9,450	Turf	1	4,000
DEN SAC	1973	Breckenridge		C	Breckenridge	Private	39-30-33.49	39.509303	106-03-01.5	-106.050417	9,450	Turf	1	4,000
DEN SAC	1977	Breckenridge		C	Breckenridge	Private	39-30-33.49	39.509303	106-03-01.5	-106.050417	9,450	Turf	1	4,000
DEN SAC	1980	Summit		C	Breckenridge	Private	39-30-33.49	39.509303	106-03-01.5	-106.050417	9,450	Turf	1	4,000
DEN SAC	1982	Breckenridge		C	Breckenridge	Private	39-30-33.49	39.509303	106-03-01.5	-106.050417	9,450	Turf	1	4,000	2 miles north; aka Ansley; aka Breckenridge; aka Summit
DEN SAC	1994	Breckenridge		C	Breckenridge	Private	39-30-33.49	39.509303	106-03-01.5	-106.050417	9,450	Turf	1	4,000	Not on 2001 Denver SAC.
Haire Directory	1948	Briggsdale Airport		C	Briggsdale	Private	40-39	40.65	104-17	-104.283333	4,600	Dirt	2	3,500	3500(NW/SE); 2500(E/W); 3 miles NE.  Only entry for this field.  Not on 1950 Cheyenne SAC.
Cheyenne SAC U-4	1964	CASS		A	Briggsdale	AF	40-37-19.937	40.622205	104-20-39.825	-104.344396	4,830	Gravel	2	3,900	about 1 miles SSW of town.  According to AirNav, this field started 03.1961.
AOPA	1986	CASS	6V9	A	Briggsdale	AF	40-37-19.937	40.622205	104-20-39.825	-104.344396	4,830	Turf	1	3,900	3900(18/36); 1 mile SW
FAA 5010	Current	CASS	00CO	A	Briggsdale	AF	40-37-19.937	40.622205	104-20-39.825	-104.344396	4,830	Turf	1	3,900	3900x20(16/34); 1 mile SW
Cheyenne SAC U-4	1954	Jenkins		C	Briggsdale	AF	40-38-42.972	40.64527	104-19-16.104	-104.32114	4,800	Turf	1	1,900	north side of town; Not on 1952 Cheyenne SAC.
Laramie WAC306	1957	Jenkins		C	Briggsdale	AF	40-38-42.972	40.64527	104-19-16.104	-104.32114	4,800	Turf	1	1,900	NE side of town.  Not on 1958 Cheyenne SAC.  Coordinates are estimated location.  No remains.
Cheyenne SAC	1983	William Leon Schawo		A	Briggsdale	Private	40-40-14.943	40.670817	104-12-29.815	-104.208282	4,950	Dirt	1	3,800	According to AirNav, this field started 04/1974.
FAA 5010	Current	William Leon Schawo	8CO2	A	Briggsdale	Private	40-40-14.943	40.670817	104-12-29.815	-104.208282	4,950	Dirt	1	3,800	3800x50(14/32); 8 miles NE
DEN SAC	1972	Brighton Van-Aire Estates		A	Brighton	Private	39-58-58.941	39.983039	104-42-16.885	-104.70469	5,055	Hard	1	3,900	According to AirNav, this field started 06/1970.
FAA 5010	Current	Brighton Van-Aire Estates	CO12	A	Brighton	Private	39-58-58.941	39.983039	104-42-16.885	-104.70469	5,055	Asphalt	1	3,950	3950x50(12/30); 5 miles east
DEN SAC	1970	Heckendorf Ranch		C	Brighton	Private	39-57-47.942	39.963317	104-44-56.891	-104.749136	5,060	Turf	1	2,000
DEN SAC	2005	Heckendorf Ranch	CO13	C	Brighton	Private	39-57-47.942	39.963317	104-44-56.891	-104.749136	5,060	Turf	2	2,500	2500x30)3/21); 1200x30(9/27); 3 miles SE; not on 2006 Denver SAC. This airfield has been extremely hard to fully confirm.  So I do now know for sure if these coordinates (from FAA 5010 database) or correct.  Even looking at the 1993 USGS NAPP photo, there is nothing truly and clearly identifiable.
DEN SAC	1975	North-Timmerman		C	Brighton / Hudson	Private	39-58-30	39.975	104-35-37.07	-104.593631	5,128	Turf	1	4,000	Not on 1973 Denver SAC.
DEN SAC	1980	North-Timmerman		C	Brighton / Hudson	Private	39-58-30	39.975	104-35-37.07	-104.593631	5,128	Turf	1	4,000
DEN TAC	1982	North Strip		C	Brighton / Hudson	Private	39-58-30	39.975	104-35-37.07	-104.593631	5,128	Turf	1	4,000
DEN SAC	2005	North Strip	CO77	C	Brighton / Hudson	Private	39-58-30	39.975	104-35-37.07	-104.593631	5,128	Turf	1	4,000	not on 2006 Denver SAC.  This is another one that I don't have solid confidence on its location.  Must have been used seldom and it was just a N/S turf strip.  Also, there is a spelling error on Google Earth symbol -= Horth - should be North.
DEN SAC	1975	Packard		C	Brighton	Private	39-58	39.966667	104-41	-104.683333	5,130	Turf	1	3,200
DEN SAC	1986	Packard		C	Brighton	Private	39-58	39.966667	104-41	-104.683333	5,130	Turf	1	3,200
DEN TAC	1982	Reasoner		C	Brighton	Private	39-54-59.945	39.916651	104-48-18.9	-104.80525	5,100	Turf	1	1,800	I am totally unsure about this one.  Not on Denver SACs.  Only on Denver TACs.  The 1993 photo shows a large ag circle and now it is built over.  If it existed, it must have been much earlier than 1993 and with out any documentation, I just don't know about it.
DEN TAC	2005	Reasoner	CO14	C	Brighton	Private	39-54-59.945	39.916651	104-48-18.9	-104.80525	5,100	Turf	1	1,800	1800x40(17/35); 4 miles SE; was still listed 9/2006; The Google earth pic shows a big ag circle.  Not on 2006 Denver TAC.
AOPA	1986	T-Chart		C	Brighton	Private	40-02.7	40.045	104-54.9	-104.915	5,120	Turf	1	2,400	2400x80(18/36); 8 miles NW.  Nothing confirms this airfield or its location.
ADC	1933	American Legion		C	Brush	Civil	- - - -	- - - -	- - - -	- - - -	4,200	Turf	all way	- - - -	rectangular field; SE side of town; only entry for this field.
Cheyenne SAC U-4	1950	Brush Municipal		A	Brush	AF	40-15-49.926	40.263868	103-34-51.809	-103.581058	4,280	Turf	3	1,875	According to AirNav, this field started 12/1948.
Colorado Airport Dir.	1995	Brush Municipal	7V5	A	Brush	AF	40-15-49.926	40.263868	103-34-51.809	-103.581058	4,280	Asphalt	1	4,300	4300x60(7/25)
FAA 5010	Current	Brush Municipal	7V5	A	Brush	AF	40-15-49.926	40.263868	103-34-51.809	-103.581058	4,280	Asphalt	1	4,300	4300x60(7/25); 3 miles east
Cheyenne SAC	1983	Rawhide		C	Buckeye	Private	40-54-29.941	40.908317	105-05-01.909	-105.083864	5,860	Gravel	2	3,500	Appears to have opened sometime around 1980.
Cheyenne SAC	2007	Rawhide	16CO	C	Buckeye	Private	40-54-29.941	40.908317	105-05-01.909	-105.083864	5,860	Gravel	2	3,500	2000x100(7/25); 3500x100(12/30); 5 miles north; not on 2007 Cheyenne SAC.  Remains still visible
CAA Bulletin No 2	1931	Buena Vista (1st)		C	Buena Vista	Civil	- - - -	- - - -	- - - -	- - - -	7,900	Gravel	12	8,000	yes 12 runways! 4 mile square gravel/dirt field; 1.5 miles SW; not listed in 1930 DOC Bulletin #5.  Runways listed as all being of 8000ft length!
ADC	1934	Buena Vista (1st)		C	Buena Vista	Civil	- - - -	- - - -	- - - -	- - - -	7,900	Gravel	12	8,000	yes 12 runways! 4 mile square gravel/dirt field; 1.5 miles SW; not in 1936 DOC (CAA) bulletin #2.
DEN SAC T-4	1949	Buena Vista Municipal (2nd)		C	Buena Vista	AF	38-49-25.28	38.823689	106-09-02.74	-106.150761	8,350	Turf	3	3,500	2 miles south.  Not on 1945 Denver SAC.  Not on 1948 WAC 361 Sangre De Cristo Mountains WAC.
DEN SAC T-4	1963	Buena Vista Municipal (2nd)		C	Buena Vista	AF	38-49-25.28	38.823689	106-09-02.74	-106.150761	8,080	Turf	3	4,700	Not on 1958 Denver SAC for some reason.  Is on the 1964 Denver SAC.  The 1967 Denver SAC clearly shows the "new" airport open.  Sometime around 1963-4 they switched airfields.  Faint traces of the runway are visible in the 1999 USGS picture.
AOPA	1966	Schuette Field		A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	7,980	Gravel	2	3,200	3200(13/31; 2700(D)(17/35); 2 miles south; According to AirNav, this field started 05/1964.
AOPA	1968	Schuette Field		A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	8,050	Turf	3	3,500	There was a dual listing of this field as Shuette and Buena Vista Municipal.  I guess AOPA did not understand they were one in the same and undergoing a name change.
SangreMts WAC361	1969	Buena Vista Municipal		A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	7,980	Turf	3	3,200
AOPA	1970	Schuette Field		A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	7,980	Gravel	2	3,200	There was a dual listing of this field as Shuette and Buena Vista Municipal.  I guess AOPA did not understand they were one in the same and undergoing a name change.
DEN SAC	1970	Buena Vista Municipal		A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	7,980	Turf	3	3,200
Colorado Airport Dir.	1995	Buena Vista Municipal	7V1	A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	7,945	Asphalt	1	9,185	9185x50(15/33)
DEN SAC	1999	Central Colorado Regional	7V1	A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	7,946	Hard	1	8,300
FAA 5010	Current	Central Colorado Regional	AEJ	A	Buena Vista	AF	38-48-50.983	38.814162	106-07-14.498	-106.120694	7,946	Asphalt	1	8,300	8300x75(15/33); 2 miles south
Wichita SAC	2007	Aviation Acres	23CD	A	Burlington	Private	39-17-58.02	39.29945	102-19-18.45	-102.321792	4,190	Turf	1	3,000	According to AirNav, this field started 04/2007.  However, the Google Earth 2005 picture shows it there.  It definitely was not there in 2000 photo.
FAA 5010	Current	Aviation Acres	23CD	A	Burlington	Private	39-17-58.02	39.29945	102-19-18.45	-102.321792	4,190	Turf	1	3,000	3000x60(12/30); 2 miles west; new entry 9/2007; runway looks like packed gravel or paved; probably ag dusting outfit.  Not listed in FAA 5010 8/06 listing.
CAA Bulletin No 2	1936	Burlington Municipal (1st)		C	Burlington	Civil	39-19	39.316667	102-17	-102.283333	4,160	Turf	all way	3,170	2608x3170 field; 1 mile north
7M RAC	1942	Burlington Municipal (1st)		C	Burlington	AF	39-19	39.316667	102-17	-102.283333	4,160	Turf	all way	3,170	Not on 1944 7M RAC or 1944 A/N directory.
Haire Directory	1946	Burlington Municipal		C	Burlington	AF	39-18-41.53	39.311536	102-17-02.53	-102.284036	4,160	Turf	all way	3,200	3200x2600; 0.5 mile west; not on 1945 Denver SAC.  It is unclear if this is at the same location as the earlier Burlington Municipal (see above) or just slightly different locations - both use the same coordinates.  The descriptions are just a bit different - 1 mile north for the earlier airport and 0.5 mile west for this listing.
AOPA	1986	Burlington Municipal	3V1	C	Burlington	Civil	39-18-41.53	39.311536	102-17-02.53	-102.284036	4,178	Asphalt	3	3,600	3600x50(13/31); 3100x75(T)(17/35); 3300x75(3/21); 1 mile NW of town
Wichita SAC	1985	Kit Carson County	5C0	A	Burlington	Civil	39-14-33	39.2425	102-17-07.4	-102.285389	4,217	Hard	1	5,200	about 3 miles south and a bit west; west of US385.  According to AirNav, this field started 06/1984.
FAA 5010	Current	Kit Carson County	ITR	A	Burlington	Civil	39-14-33	39.2425	102-17-07.4	-102.285389	4,219	Concrete	1	5,201	5201x75(15/33); 3 miles south
Wichita SAC	1982	Silkman Farms		C	Burlington	Private	39-27-16.981	39.454717	102-12-46.681	-102.212967	4,000	Turf	1	3,000	Not on 1978 Wichita SAC.
Wichita SAC	2005	Silkman Farms	10CO	C	Burlington	Private	39-27-16.981	39.454717	102-12-46.681	-102.212967	4,000	Gravel	1	3,000	3000x65(17/35); 10 miles NE; I am dubious about this one unless they are using a road.  Big farm circles and nothing that looks like a runway.  Not on 2006 Wichita SAC.  By using the 1993 USGS photo, I think this field had been closed/inactive for a long time before it came off the charts and the FAA 5010 data base.
DEN TAC	2004	Bijou Basin		A	Byers	Private	39-54-29.938	39.908316	104-07-33.832	-104.126064	4,885	Dirt	1	2,200	According to AirNav, this field started 01/1988.  Only charted on Denver TACs until most recently where it appears on a SAC.
FAA 5010	Current	Bijou Basin	CD17	A	Byers	Private	39-54-29.938	39.908316	104-07-33.832	-104.126064	4,885	Dirt	1	2,200	2200x30(8/26); 13 miles NE; latest Google Earth pic appears the runway is shorter - about 1800-2000 in length.  Can not confirm this fields location.
DEN SAC	1999	East Moore Field		C	Byers	Private	39-40-13.93	39.670536	104-08-09.85	-104.136069	5,250	Dirt	1	2,600	Not on 1994 Denver SAC.  According to AirNav, this field started 11/1996.
DEN SAC	2005	East Moore Field	8CO4	C	Byers	Private	39-40-13.93	39.670536	104-08-09.85	-104.136069	5,250	Dirt	1	2,600	2600x40(18/36); 6 miles SE; can't find a runway.  I think this field is closed/inactive despite being in 5010, it is not on 2006 & '07 Denver SACs.  Nothing at the coordinates looks like an airfield with 18 aircraft at it!
DEN SAC T-4	1967	Hubbs		C	Byers	Private	39-49-01.12	39.816978	104-13-43.52	-104.228756	5,045	Dirt	1	2,200	about 6 miles NE; not in 1966 directory
DEN SAC	1982	Hubbs		C	Byers	Private	39-49-01.12	39.816978	104-13-43.52	-104.228756	5,045	Dirt	2	2,200	Not on 1985 Denver SAC.
DEN SAC	1986	Singleton Ranch	68CO	C	Byers	Private	39-52-19.937	39.872205	104-09-11.835	-104.153288	4,940	Turf	3	2,600
DEN SAC	2005	Singleton Ranch	68CO	C	Byers	Private	39-52-19.937	39.872205	104-09-11.835	-104.153288	4,940	Turf	3	2,600	1500x30(8/26); 2600x30(13/31); 1000x30(16/34); 9miles NE; not on 2006 Denver SAC.
DEN SAC	1972	Sky Haven		A	Byers	Private	39-42-48.934	39.713593	104-11-37.847	-104.193846	5,215	Dirt	2	2,500	2 miles east.  Not on 1970 Denver SAC.
FAA 5010	Current	Sky Haven	CO17	A	Byers	Private	39-42-48.934	39.713593	104-11-37.847	-104.193846	5,215	Dirt	2	2,500	2500x65(17/35); 1500x65(8/26); 2 miles east
DEN SAC	1980	Spickard Farm		A	Byers	Private	39-41-59.935	39.699982	104-15-01.849	-104.250514	5,320	Dirt	1	2,700	about 2 miles WSW.  Not on 1977 Denver SAC.
FAA 5010	Current	Spickard Farm	5CO4	A	Byers	Private	39-41-59.935	39.699982	104-15-01.849	-104.250514	5,320	Dirt	1	3,000	3000x45(8/26); 2 miles SW
DEN SAC	2007	Aero Bear Field	CD23	A	Calhan	Private	39-11-54	39.198333	104-19-45	-104.329167	6,300	Turf	1	2,800	According to AirNav, this field started 03/2003.  Not charted till 2007.
FAA 5010	Current	Aero Bear Field	CD23	A	Calhan	Private	39-11-54	39.198333	104-19-45	-104.329167	6,300	Turf	1	2,800	2800x60(18/36); 10 miles north; not charted (yet)
DEN SAC	1980	Calhan		A	Calhan	AF	39-02-51.964	39.047768	104-17-31.87	-104.292186	6,470	Turf	1	4,000	1 mile north.  According to AirNav, this field started 01/1978.
FAA 5010	Current	Calhan	5V4	A	Calhan	AF	39-02-51.964	39.047768	104-17-31.87	-104.292186	6,450	Turf	1	4,565	4565x50(17/35); 1 mile north
Haire Directory	1948	Calhan (1st)		C	Calhan	Private	39-01	39.016667	104-17	-104.283333	6,500	Turf	1	2,100	2100(N/S); 0.6 mile ESE
AvWeek Dir.	1953	Calhan (1st)		C	Calhan	Private	39-01	39.016667	104-17	-104.283333	6,500	Turf	1	2,200	(N); 0.6 mile ESE
Bulletin No. 5	1929	Canon City		C	Canon City	AF	- - -	- - -	- - -	- - -	- - -	- - -	- - -	- - -	no other data is currently available on this airport other than this listing.
Bulletin No. 5	1930	Canon City		C	Canon City	AF	- - -	- - -	- - -	- - -	- - -	- - -	- - -	- - -	no other data is currently available on this airport other than this listing.
Haire Directory	1946	Fremont County		A	Canon City	Civil	38-25-40.893	38.428026	105-06-21.032	-105.105842	5,350	Dirt	3	3,600	2600x200(N/S); 3600x200(E/W); 2800x75(NW/SE); 6.9 miles east.  According to AirNav, this field started 03/1941.  I am dubious about this date as nothing appears in any documentation (charts and directory listings) till 1946.  Could have been uncharted and listed.
FAA 5010	Current	Fremont County	1V6	A	Canon City	Civil	38-25-40.893	38.428026	105-06-21.032	-105.105842	5,439	Asphalt	2	5,399	5399x75(11/29); 3261x35(T)(17/35); 6 miles east
Haire Directory	1946	Royal Gorge		C	Canon City	Civil	38-29-30	38.491667	105-20-00	-105.333333	6,690	Turf	2	2,600	1800x100(N/S), 2600x100(E/W); square field; 6.4 miles NW; not on 1945 Denver SAC.
Haire Directory	1948	Royal Gorge		C	Canon City	Civil	39-29-30	38.491667	105-20-00	-105.333333	6,320	Turf	1	2,600	2600x100(E/W); square field; 6.4 miles NW; not on 1949 Denver SAC.  I believe that these faint traces are the remains of this airfield.  It only last about 3 years.
DEN SAC	1980	Tezak		A?	Canon City	Private	38-24-38.99	38.4108306	105-36-14.001	-105.6038892	6,280	Turf	1	3,000	According to AirNav, this field started 12/1976.  The only thing I can see is a road that could be the runway.
FAA 5010   - See Remarks	Current	Tezak	CO19	A?	Canon City	Private	38-24-38.99	38.4108306	105-36-14.001	-105.6038892	6,280	Gravel	1	3,000	3000x40(8/26); 18 miles west; I can not confirm this one.  There is no apparent runway at these coordinates or anything around it.  If the road is used as the runway, then this location and coordinates are correct.
DEN SAC	1972	Glenco of Aspen		A?	Carbondale	Private	39-23-19.94	39.388872	107-09-36.178	-107.160049	6,835	Dirt	1	4,000	about 3 miles ESE.  According to AirNav, this field started 09/1971.
DEN SAC	1977	Glenco of Aspen		A?	Carbondale	Private	39-23-19.94	39.388872	107-09-36.178	-107.160049	6,835	Dirt	1	4,000
DEN SAC	1980	Glen Aspen		A?	Carbondale	Private	39-23-19.94	39.388872	107-09-36.178	-107.160049	6,835	Dirt	1	4,000
DEN SAC	1986	Glen Aspen		A?	Carbondale	Private	39-23-19.94	39.388872	107-09-36.178	-107.160049	6,835	Dirt	1	3,100
FAA 5010	Current	Glen Aspen	4CO0	A?	Carbondale	Private	39-23-19.94	39.388872	107-09-36.178	-107.160049	6,835	Dirt	1	3,165	3165x100(4/22); 3  miles east.  By 1991, this airfield was no longer charted on the Denver SACs.  Is it closed?  It is still carried in the FAA 5010 database.  Runway appears to be in poor condition with latest Google Earth photo.
Bulletin No. 5	1928	Castle Rock		C	Castle Rock	AF	39-21	39.35	104-53	-104.883333	6,399	Turf	1	3,000	Even though no information was provided, I believe it and the intermediate are one in the same fields so I have identified it as such as go location.
Bulletin No. 5	1929	Castle Rock CAA (no number)		C	Castle Rock	Inter.	39-21	39.35	104-53	-104.883333	6,400	Turf	1	3,000
Bulletin No. 5	1930	Castle Rock CAA (no number)		C	Castle Rock	Inter.	39-21	39.35	104-53	-104.883333	6,400	Turf	1	3,000
CAA Bulletin No 2	1931	Castle Rock CAA 8A		C	Castle Rock	Inter.	39-21	39.35	104-53	-104.883333	6,400	Turf	1	2,999	2999x600; 2.5 miles SW
CAA Bulletin No 2	1934	Castle Rock CAA 8A		C	Castle Rock	Inter.	39-21	39.35	104-53	-104.883333	6,400	Turf	1	3,010
CAA Bulletin No 2	1936	Castle Rock CAA 7B		C	Castle Rock	Inter.	39-21	39.35	104-53	-104.883333	6,380	Turf	1	3,010	3010x600; 2.5 miles SW
ADC	1939	Castle Rock CAA 7B		C	Castle Rock	Inter.	39-21	39.35	104-53	-104.883333	6,400	Turf	1	2,999	2999x600 field; 2.5 miles SW
DEN SAC T-4	1967	Denver-Douglas		C	Castle Rock	AF	39-24	39.4	104-53	-104.883333	6,070	Dirt	1	3,600	about 4 miles north on the east side of Interstate highway
AOPA	1968	Denver-Douglas		C	Castle Rock	AF	39-24	39.4	104-53	-104.883333	6,020	Gravel	1	4,000	4000(15/33) 3 miles north
AirNav	1996	Kelgun		A	Castle Rock	Private	39-18-24.965	39.306935	104-48-56.92	-104.815811	6,800	Turf	1	1,400	According to AirNav, this field started 05/1996.  Not on SACs or TACs for Denver.
FAA 5010	Current	Kelgun	4CO8	A	Castle Rock	Private	39-18-24.965	39.306935	104-48-56.92	-104.815811	6,800	Turf	1	1,400	1400x50(1/19); 6 miles NW.  Not charted.  I can no confirm this airfield.  Data is very conflicting.   Description says it is 6 miles NW of Castle Rock, but the coordinates are about 5 miles SSE.  There are high tension power lines in the area.  Nothing looks like a small airstrip.  Put this down to another one of those that are strange.
AOPA	1976	Flying W Ranch		A	Cedaredge	Private	38-51-44.938	38.862483	107-49-11.65	-107.819903	6,885	Turf	1	2,400	2400x50(17/35); 9 miles SE.  According to AirNav, this field started 12/1975.
FAA 5010	Current	Flying W Ranch	CO20	A	Cedaredge	Private	38-51-44.938	38.862483	107-49-11.65	-107.819903	6,885	Turf	1	2,400	2400x50(17/35); 8 miles SE
DEN SAC	1999	Mesawood Airpark		A	Cedaredge	Private	38-57-40.0	38.961111	107-57-28.0	-107.957778	7,200	Turf	1	2,400	According to AirNav, this field started 05/1996.
FAA 5010	Current	Mesawood Airpark	6CO2	A	Cedaredge	Private	38-57-40.0	38.961111	107-57-28.0	-107.957778	7,200	Turf	1	2,400	2400x60(16/34); 4 miles NW
USGS NAPP	1993	Unknown 1 - Cedaredge CO		?	Cedaredge	Private	38-51-13.81	38.853836	107-50-03.45	-107.834292	6,513	Dirt	1	2,000	2000x80(NE/SW); 6 miles SE; not charted or listed
Google Earth	2007	Unknown 1 - Cedaredge CO		?	Cedaredge	Private	38-51-13.81	38.853836	107-50-03.45	-107.834292	6,513	Dirt	1	2,000	2000x80(NE/SW); 6 miles SE; not charted or listed
USGS NAPP	1993	Unknown 2 - Cedaredge CO		?	Cedaredge	Private	38-50-58.24	38.849511	107-49-31.32	-107.825367	6,503	Dirt	1	1,300	1300x40(NE/SW); 6.5 miles SE; this appears to be unused; is it really an airfield?  Not charted or listed.
Google Earth	2007	Unknown 2 - Cedaredge CO		?	Cedaredge	Private	38-50-58.24	38.849511	107-49-31.32	-107.825367	6,503	Dirt	1	1,300	1300x40(NE/SW); 6.5 miles SE; this appears to be unused; is it really an airfield?  Not charted or listed.
CAA Bulletin No 2	1931	Center Legion Municipal		C	Center	Civil	- - -	- - -	- - -	- - -	7,656	Turf	4	3,950	two runways 3950; 2 runways 2650; all 200ft wide; 2650x2650 field; 3 miles east
ADC	1934	Center Legion Municipal		C	Center	Civil	- - -	- - -	- - -	- - -	7,656	Turf	4	3,950	two runways 3950; 2 runways 2650; all 200ft wide; 2650x2650 field; 3 miles east
Haire Directory	1948	Center		C	Center	Civil	37-46	37.766667	106-14	-106.233333	7,800	Turf	2	4,400	4400(NE); 3100(N); 6 miles West
AvWeek Dir.	1955	Center		C	Center	AF	37-46	37.766667	106-14	-106.233333	7,800	Dirt	2	4,400	not on 1956 Trinidad SAC.  No remains, farmland  now.
Trinidad SAC S-4	1969	Finley		C	Center	Private	37-46-08.8	37.769111	106-07-02.5	-106.117361	7,650	Turf	1	5,100	about 1 mile NW side of town
DEN SAC	1994	Finley	CO21	C	Center	Private	37-46-08.8	37.769111	106-07-02.5	-106.117361	7,646	Turf	1	5,100	NW side of town
Trinidad SAC S-4	1964	Leach		A	Center	Civil	37-47-04.999	37.784722	106-02-18.087	-106.038358	7,600	Gravel	1	3,365	about 4-5 miles ENE.  According to AirNav, this field started 11/1962.
FAA 5010	Current	Leach	1V8	A	Center	Civil	37-47-04.999	37.784722	106-02-18.087	-106.038358	7,598	Asphalt	1	7,000	7000x50(12/30); 4 miles NE
Bulletin No. 5	1927	Cheyenne Wells (1st)		C	Cheyenne Wells	AF	38-48-52	38.814444	102-20-48	-102.346667	4,621	Turf	all way	2,640	Even the data for this date is a listing only, historical data links it to about 1940.  NOTE:  The 1982 USGS topo shows an airstrip.  It is based on this information that I have made an assumption that this is the location of Cheyenne Well's 1st airport.  There are other options where it might have been.  Descriptions vary on its location.
ADC	1939	Cheyenne Wells (1st)		C	Cheyenne Wells	AF	38-48-52	38.814444	102-20-48	-102.346667	4,275	Turf	all way	2,640	2640x2640 field; adjoins city on south side and east of racetrack; coordinates are based on the description.
SangreMts WAC361	1945	Cheyenne Wells (2nd)		C	Cheyenne Wells	AF	38-47-30	38.791667	102-21-15	-102.354167	4,280	Turf	4	3,300
DEN SAC T-4	1958	Cheyenne Wells (2nd)		C	Cheyenne Wells	AF	38-47-30	38.791667	102-21-15	-102.354167	4,280	Turf	2	2,800	No remains - farmland now.
Wichita SAC	1982	Cheyenne Wells Municipal	45V	A	Cheyenne Wells	AF	38-19-46.26	38.329517	102-17-58.3	102.299528	4,184	Hard	2	3,000	According to AirNav, this field started 11/1981.
FAA 5010	Current	Cheyenne Wells Municipal	5CO0	A	Cheyenne Wells	Private	38-19-46.26	38.329517	102-17-58.3	102.299528	4,184	Asphalt	2	2,680	2860x40(4/22); 2340x30(G)(10/28); 3 miles east; coordinates in 5010 are a bit off; these are correct.  A bit odd, listed as a municipal airport but is private and requires permission before landing.  Airport is still owned by the city but usage is private now - odd.
Cheyenne SAC	1983	Lassen		C	Clarkville	Private	40-20-48	40.346667	102-36-49	-102.613611	3,960	Turf	- - -	2,600	Coordinates are an estimate only.  This is the only chart I have showing this field.  I have a gap in Cheyenne SACs (1977 to 1983 to 1984).  It is not on the 1984 Cheyenne SAC.  Short lived field apparently.  Farm land now.
DEN SAC	1994	Base Strip		C	Coaldale	Private	38-23-08	38.385556	106-46-14.5	-106.770694	6,560	Turf	1	2,000	no remains; coordinates are estimates.  Not on 1991 Denver SAC.  Not on 1999 Denver SAC.  I have again, a gap in some of the Denver Sectionals.
USGS topo	1975	Green Horn Valley		C	Colorado City	AF	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,796	Hard	1	3,900	not on 1973 Denver SAC.
DEN SAC	1977	Colorado City		C	Colorado City	AF	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,796	Hard	1	3,900
DEN SAC	1982	Colorado City		C	Colorado City	AF	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,796	Hard	1	3,900
DEN SAC	1985	Gail K Naumann		C	Colorado City	AF	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,795	Hard	1	3,900	aka Colorado City
AOPA	1986	Gail K Naumann (Greenhorn Valley)	CO22	C	Colorado City	AF	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,795	Hard	1	3,900	3900x36(8/26); 5 miles East.
DEN SAC	1994	Green Horn Valley	CO22	C	Colorado City	Private	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,795	Hard	1	3,000	aka Colorado City; aka Gail K Naumann
DEN SAC	2004	Green Horn Valley	CO22	C	Colorado City	Private	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,795	Hard	1	3,000	3900x35(8/26); 4 miles east; was still listed in 9/2006;
DEN SAC	2006	Green Horn Valley		C	Colorado City	X	37-57-35.029	37.95973	104-47-01.938	-104.783872	5,795	Hard	1	3,000	marked closed on this chart
Bulletin No. 5	1927	Alexander Municipal		C	Colorado Springs	Civil	38-53	38.883333	104-49	-104.816667	6,150	Turf	2	4,200
CAA Bulletin No 2	1936	Alexander Municipal		C	Colorado Springs	Civil	38-53	38.883333	104-49	-104.816667	6,180	Oiled	1	4,200	one runway 4200 oiled; 3 miles north
USGS topo	1986	Aardvark Field		?	Colorado Springs	Private	39-01-48	39.03	104-50-24	-104.84	6,708	Asphalt	1	2,100	17/35 orientation; This field has not been charted; This field is  owned by the USAF Academy.  It is depicted on a 1986 USGS topo chart.
Google Earth	2007	Aardvark Field		?	Colorado Springs	Private	39-01-48	39.03	104-50-24	-104.84	6,708	Asphalt	1	2,100	2100x75(17/35); This field has not been charted; This field is  owned by the USAF Academy.
DEN SAC T-4	1963	Black Forest		C	Colorado Springs	AF	38-58-10.33	38.969536	104-41-06.40	-104.685111	7,200	Turf	1	5,000	8 miles NE.  Likely opened sometime around 1960.
DEN SAC T-4	1968	Black Forest		C	Colorado Springs	AF	38-58-10.33	38.969536	104-41-06.40	-104.685111	7,200	Turf	1	6,500
DEN SAC	1970	Black Forrest Glider Port		C	Colorado Springs	Private	38-58-10.33	38.969536	104-41-06.40	-104.685111	7,180	Hard	1	6,000
AOPA	1986	Black Forrest Glider Port	CO26	C	Colorado Springs	Private	38-58-10.33	38.969536	104-41-06.40	-104.685111	7,180	Hard	1	5,000	5000x30(17/35); 8 miles NE; appears to have closed by 1990
DEN SAC	1991	Black Forrest Glider Port		C	Colorado Springs	X	38-58-10.33	38.969536	104-41-06.40	-104.685111	7,180	Hard	1	5,000	marked closed on this chart
Bulletin No. 5	1928	Colorado Springs unknown		C	Colorado Springs	Civil	- - - -	- - - -	- - - -	- - - -	- - - -	- - - -	- - - -	- - - -	unknown field - only mention of a third airfield at Colorado Springs in this time frame.
US Army Map	1920	The Landing Field East of the Springs		A	Colorado Springs	Civil	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,200	Turf	- - - -	- - - -
Bulletin No. 5	1927	Colorado Springs Municipal		A	Colorado Springs	Civil	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,200	Turf	all way	5,280
7M RAC	1942	Colorado Springs Municipal		A	Colorado Springs	Civil	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,100	Hard	2	4,600	Very likely being in the process of take over by the AAF.
A/N Directory	1943	Peterson AAF (Colorado Springs Municipal)		A	Colorado Springs	Joint	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,175	Hard	3	8,500	6.25 miles east
AOPA	1986	Peterson Field (Colorado Springs Municipal)	COS	A	Colorado Springs	Joint	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,172	Hard	3	11,000	11021x150(17/35); 8511x150(12/30); 8374x150(3/21); 6 miles SE
DEN SAC	1986	Colorado Springs Municipal	COS	A	Colorado Springs	Joint	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,172	Hard	3	13,500
DEN SAC	2007	Colorado Springs Municipal	COS	A	Colorado Springs	Joint	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,172	Hard	3	13,500
DEN SAC	2008	City of Colorado Springs Municipal	COS	A	Colorado Springs	Joint	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,172	Hard	3	13,500
FAA 5010	Current	City of Colorado Springs Municipal	COS	A	Colorado Springs	Joint	38-48-20.9	38.805806	104-42-02.8	-104.700778	6,187	Concrete	3	13,501	13501x150(17L/35R); 11022x150(A)(17R/35L); 8269(A)(12/30); 6 miles SE; includes joint operations with Paterson AFB.  The field also goes under the name of Paterson Field.
Haire Directory	1948	Garden Ranch		C	Colorado Springs	AF	38-54	38.90	104-46	-104.766667	6,400	Turf	2	4,400	4200(WNW); 4400(NNW); 5.4 miles NNE; no remains; built over.  Appears it started about 1947.  Not on earlier charts or directories.
AvWeek Dir.	1953	Garden Ranch		C	Colorado Springs	AF	38-54	38.90	104-46	-104.766667	6,450	Turf	2	4,400	4200(WNW); 4400(NNW); 5.5 miles NNE; no remains; built over; not on 1954 Denver SAC.
DEN SAC	1975	Garden Valley		C	Colorado Springs	Private	38-46	38.766667	104-39	-104.65	5,860	Hard	1	5,000	not on 1973 Denver SAC.
DEN SAC	1985	Garden Valley		C	Colorado Springs	Private	38-46	38.766667	104-39	-104.65	5,860	Hard	1	5,000	There is no evidence of a 5,000 foot paved runway.  The road that runs N/S may have been where the runway was.
DEN SAC	1986	Garden Valley		C	Colorado Springs	X	38-46	38.766667	104-39	-104.65	5,860	Hard	1	5,000	marked closed on this chart
DEN SAC T-4	1968	Meadow Lake		A	Colorado Springs / Falcon	Private	38-56-44.696	38.945749	104-34-11.616	-104.569893	6,880	Turf	1	2,800	about 3 miles NE Falcon.  According to AirNav, this field started 11/1967.
FAA 5010	Current	Meadow Lake	00V	A	Colorado Springs / Falcon	AF	38-56-44.696	38.945749	104-34-11.616	-104.569893	6,874	Asphalt	3	6,000	6000x60(115/33); 2084x35(dirt)(8/26); 1800x15(dirt)(N/S); 14 miles NE
DEN SAC T-4	1945	Nichols Field		C	Colorado Springs	Civil	38-52-45	38.879167	104-48-30	-104.808333	6,200	Dirt	3	4,000	Not on 1944 7M RAC or 1944 A/N directory.
Haire Directory	1948	Nichols Field		C	Colorado Springs	Civil	38-52-45	38.879167	104-48-30	-104.808333	6,200	Dirt	3	4,000	4000(NW/SE), 4000(NE/SW), 4000(N/S); 2.8 miles NNE; not on 1949 Denver SAC.
DEN SAC T-4	1945	Rocky Mountain (1st period)		C	Colorado Springs	AF	38-47-00	38.783333	104-44-00	-104.733333	5,100	Turf	3	3,000	located to the SW side of Peterson Field
DEN SAC T-4	1949	Rocky Mountain (1st period)		C	Colorado Springs	AF	38-47-00	38.783333	104-44-00	-104.733333	6,100	Turf	3	2,000	about 5 miles to the SE; for some reason, this airport went uncharted during the 1950s on Denver SACs.  It appears to have closed about 1950.  This is counted as one airport.
DEN SAC T-4	1963	Rocky Mountain (2nd period)		C	Colorado Springs	AF	38-47-00	38.783333	104-44-00	-104.733333	6,000	Turf	3	3,000	Appears to have reopen about 1963.
DEN SAC	1986	Rocky Mountain (2nd period)		C	Colorado Springs	AF	38-47-00	38.783333	104-44-00	-104.733333	6,000	Turf	3	3,000	no remains - built over; closed late 1986
A/N Directory	1944	Pine Valley		A	Colorado Springs	AF	38-58-10.974	38.969715	104-48-46.919	-104.813033	6,575	Turf	4	4,500	9.2 miles north; US85 & 87 east; not on 1942 7M RAC.  According to AirNav, this field started 02/1944.
DEN SAC T-4	1968	Pine Valley		A	Colorado Springs	Military	38-58-10.974	38.969715	104-48-46.919	-104.813033	6,575	Hard	1	3,500	5 miles North near USAF academy.  This is the exact same field that was later taken over by the USAF Academy for its airstrip.
DEN SAC	1970	USAF Academy		A	Colorado Springs	Military	38-58-10.974	38.969715	104-48-46.919	-104.813033	6,546	Hard	1	3,500
FAA 5010	Current	USAF Academy	AFF	A	Colorado Springs	Military	38-58-10.974	38.969715	104-48-46.919	-104.813033	6,572	Asphalt	4	4,500	2153x75(8/26); 4500x75(16C/34C); 3500x75(16L/34R); 4500x40(16R/34L); 10 miles north
DEN SAC	1991	Silver Heels	2CO9	C	Como	Private	39-17-30	39.291667	105-52-30	-105.875	9,600	Gravel	2	4,500	4500x50(5/23); 4500x50(12/30); 2 miles SE;  Not on 1986 Denver SAC.
DEN SAC	2006	Silver Heels	2CO9	C	Como	Private	39-17-30	39.291667	105-52-30	-105.875	9,600	Gravel	2	4,500	4500x50(5/23); 4500x50(12/30); 2 miles SE; was listed in 9/2006; closed late 2006
DEN SAC	1980	Broken Bar M Ranch		A	Conifer	Private	39-33-00	39.55	105-16-50.0	-105.280556	8,000	Turf	1	2,500	Not on 1977 Denver SAC.
DEN SAC	1986	Broken Bar M Ranch		A	Conifer	Private	39-33-00	39.55	105-16-50.0	-105.280556	8,000	Turf	1	2,500
DEN SAC	1991	Meyer Ranch		A	Conifer	Private	39-33-00	39.55	105-16-50.0	-105.280556	8,000	Turf	1	2,500	about 2-3 miles NE; aka Broken Bar M
FAA 5010	Current	Meyer Ranch	5CO6	A	Conifer	Private	39-33-00	39.55	105-16-50.0	-105.280556	8,000	Gravel	1	2,500	2500x50(12/30); 2 miles NE
DEN SAC	1985	Flying J Ranch		C	Conifer	Private	39-30-25	39.506944	105-18-25	-105.306944	7,980	Turf	1	1,900	Coordinates are estimates.
DEN SAC	1994	Flying J Ranch		C	Conifer	Private	39-30-25	39.506944	105-18-25	-105.306944	8,040	Turf	1	1,900	Can not confirm this field's location.
Bulletin No. 5	1929	Cortex		C	Cortex	AF	- - -	- - -	- - -	- - -	- - -	- - -	- - -	- - -	Is this a typo and meant Cortez?
Bulletin No. 5	1930	Cortex		C	Cortex	AF	- - -	- - -	- - -	- - -	- - -	- - -	- - -	- - -	Is this a typo and meant Cortez?
12M RAC	1943	Cortez Municipal		A	Cortez	AF	37-18-10.8	37.303	108-37-41	-108.628056	6,000	Turf	3	4,400	3.5 miles SW, US666 east
Haire Directory	1948	Cortez Municipal		A	Cortez	Civil	37-18-10.8	37.303	108-37-41	-108.628056	6,000	Turf	3	5,000	5000x200(NE/SW); 2160x200(NW/SE); 2540x200(E/W); 3.1 miles SW
Grand Canyon SAC S-3	1952	Montezuma County		A	Cortez	AF	37-18-10.8	37.303	108-37-41	-108.628056	5,911	Turf	3	5,900