Cotton Hill, Illinois

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.

• 1922 USGS Divernon quadrangle1:62500
• 1924 USGS Divernon quadrangle1:62500, 2 printings
• 1958 USGS Decatur quadrangle1:250000, 3 printings
• 1961 USGS Chatham quadrangle1:24000, 3 printings
• 1961 USGS Decatur quadrangle1:250000, 2 printings
• 1985 USGS Springfield quadrangle1:100000, 2 printings
• 1998 USGS Chatham quadrangle1:24000

History of Sangamon County, Illinois; Together with Sketches of Its Cities, Villages and Townships ... Portraits of Prominent Persons, and Biographies of Representative Citizens. History of Illinois, published 1881 has no passage naming this settlement, which was common for smaller places. Its township is covered in full.

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Cotton Hill: 1 past producer. None of them still produces. What was taken out: Fire Clay (Refractory). 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 Sangamon 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 1725479. 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.