Douglas, Missouri

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.

• 1925 USGS Stanberry quadrangle1:62500, 3 printings
• 1939 USGS Stanberry quadrangle1:62500
• 1943 USGS Stanberry quadrangle1:62500
• 1955 USGS Nebraska City quadrangle1:250000, 3 printings
• 1957 USGS Nebraska City quadrangle1:250000
• 1958 USGS Nebraska City quadrangle1:250000
• 1984 USGS King City quadrangle1:24000
• 1986 USGS Maryville quadrangle1:100000, 2 printings

Regional context, not property-specific evidence. The federal mineral resources record lists 11 workings within 5 miles of Douglas: 9 past producers, 2 unknowns. None of them still produces. What was taken out: Stone, Crushed/Broken. 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 Gentry 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 740193. 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.

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.