Duncan, Colorado

12 topographic sheets cover this place, the earliest surveyed in 1954 and the latest in 2001. It stands in the Saguache census division. It lies in ZIP code area 81131. It stands on Short Creek. The Survey maps it on the Liberty quadrangle.

Duncan within Saguache County

Topographic sheets covering this place

8 surveys from 12 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

1954 USGS Trinidad quadrangle1:250000, 2 printings
1955 USGS Trinidad quadrangle1:250000
1958 USGS Trinidad quadrangle1:250000
1959 USGS Trinidad quadrangle1:250000
1967 USGS Liberty quadrangle1:24000, 3 printings
1982 USGS Blanca Peak quadrangle1:100000, 2 printings
1988 USGS Trinidad quadrangle1:250000
2001 USGS Liberty quadrangle1:24000

Fires near this place

25 since 2003

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 25 fires within 5 miles of Duncan between 2003 and 2020, burning about 80 acres in total. 7 started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Missing data/not specified/undetermined	16
Natural	7
Recreation and ceremony	2

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
17 September 2016	Missing data/not specified/undetermined	under an acre	Baca Grande Volunteer Fire Department	UNKNOWN
10 September 2010	Recreation and ceremony	under an acre	Rio Grande National Forest	5 MILE
31 August 2010	Recreation and ceremony	under an acre	Rio Grande National Forest	DEADMAN GULCH
21 August 2006	Natural	under an acre	Rio Grande National Forest	SAND CREEK
8 July 2016	Missing data/not specified/undetermined	under an acre	Baca Grande Volunteer Fire Department	UNKNOWN
31 July 2020	Natural	73 acres	Great Sand Dunes National Park and Preserve	STUPA
23 July 2008	Natural	under an acre	Rio Grande National Forest	JEEP
19 July 2003	Natural	4.0 acres	Great Sand Dunes National Park and Preserve	CLEVELAND

Settlements close enough to share some of these fires:

Every fire recorded in Saguache County

Mines and quarries near this place

10 of 12 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 12 workings within 5 miles of Duncan: 6 past producers, 4 prospects, 2 occurrences. None of them still produces. What was taken out: Gold, Silver, Gold, Copper, Copper, Lead, Silver, Zinc. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status	Recorded
Blanca Mutual Mining and Milling Co. Claims	Copper, Gold, Silver, Lead	Prospect	Vein
Deadman Creek Prospect	Gold, Copper	Past Producer	Vein
Eastern Star Mine	Copper, Silver, Gold	Past Producer	Chalcopyrite, Gold, Pyrite
Golden Treasure Tunnel	Silver, Gold, Copper, Lead	Past Producer	1917, 1934, 1936
Music District (includes Liberty and Baca Grant)	Gold, Silver, Lead, Zinc	Past Producer	Quartz, Pyrite
Unknown	Gold, Copper, Lead, Silver, Zinc	Prospect
Unknown	Gold, Zinc, Silver, Lead, Copper	Past Producer
Unknown	Gold, Copper, Silver, Zinc, Lead	Past Producer
Unknown	Gold, Silver, Lead, Copper	Prospect
Unknown	Fluorine-Fluorite	Occurrence

Every working recorded in Saguache County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Place	Distance	Sheets
Liberty	1.4 miles	12
Cottonwood	4.4 miles	15
Crestone	9.6 miles	15
Moffat	17.9 miles	10
Mirage (historical)	20.6 miles	12
Mineral Hot Springs	26.2 miles	13
Center	27.5 miles	17
Villa Grove	31.3 miles	13

Provenance

This settlement is recorded in the Geographic Names Information System as feature 192560. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.

Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.