Soperville, 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.

• 1947 USGS Woodhull quadrangle1:62500, 2 printings
• 1958 USGS Davenport quadrangle1:250000, 2 printings
• 1961 USGS Davenport quadrangle1:250000
• 1962 USGS Davenport quadrangle1:250000
• 1982 USGS North Henderson quadrangle1:24000
• 1984 USGS Aledo quadrangle1:100000
• 1989 USGS Aledo quadrangle1:100000

History of Knox County, Illinois, published 1878; Portrait and Biographical Album of Knox County, Illinois, published 1886; Annals of Knox County : Commemorating Centennial of Admission of Illinois As a State of the Union in 1818, published 1921 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 Soperville: 1 past producer. None of them still produces. What was taken out: Stone. 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 Knox 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 418707. 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.