Twin Falls, Arizona

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.

• 1892 USGS Canyon De Chelly quadrangle1:250000, 5 printings
• 1953 USGS Pastora Peak quadrangle1:62500, 2 printings
• 1953 USGS Pastora Peak SE quadrangle1:24000
• 1954 USGS Shiprock quadrangle1:250000, 5 printings
• 1958 USGS Shiprock quadrangle1:250000
• 1959 USGS Shiprock quadrangle1:250000
• 1982 USGS Beclabito quadrangle1:24000
• 1986 USGS Rock Point quadrangle1:100000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 18 fires within 5 miles of Twin Falls between 1996 and 2019, burning about 13 acres in total. 9 started naturally. 1 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.

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

Settlements close enough to share some of these fires:

• Teec Nos Pos
• Sehili

Every fire recorded in Apache County

Regional context, not property-specific evidence. The federal mineral resources record lists 22 workings within 5 miles of Twin Falls: 17 past producers, 4 occurrences, 1 unknown. None of them still produces. What was taken out: Uranium, Vanadium, Uranium, Vanadium, Uranium, Clay. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Every working recorded in Apache County

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

This settlement is recorded in the Geographic Names Information System as feature 24664. 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.