Black Corners, Iowa

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.

• 1949 USGS Adel quadrangle1:62500, 3 printings
• 1951 USGS Adel quadrangle1:62500, 2 printings
• 1954 USGS Omaha quadrangle1:250000, 3 printings
• 1957 USGS Omaha quadrangle1:250000
• 1958 USGS Omaha quadrangle1:250000, 2 printings
• 1982 USGS Panther quadrangle1:24000
• 1984 USGS Guthrie Center quadrangle1:100000
• 1993 USGS Guthrie Center quadrangle1:100000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 8 fires within 5 miles of Black Corners between 2007 and 2020, burning about 42 acres in total. None 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.

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:

• Panther
• Dallas Center
• Minburn
• Adel
• De Soto
• Garretville

Every fire recorded in Dallas County

Regional context, not property-specific evidence. The federal mineral resources record lists 10 workings within 5 miles of Black Corners: 6 past producers, 4 producers. 4 still produce. What was taken out: Sand and Gravel, Construction, 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 Dallas 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 464464. 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.