Piasa Hills, 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.

• 1927 USGS St. Charles quadrangle1:62500, 2 printings
• 1933 USGS Saint Charles quadrangle1:62500
• 1933 USGS St. Charles quadrangle1:62500, 2 printings
• 1949 USGS Saint Louis quadrangle1:250000
• 1949 USGS St. Louis quadrangle1:250000
• 1954 USGS Elsah quadrangle1:24000, 3 printings
• 1954 USGS St. Charles quadrangle1:62500, 2 printings
• 1962 USGS St. Louis quadrangle1:250000
• 1963 USGS St. Louis quadrangle1:250000, 4 printings
• 1966 USGS St. Louis quadrangle1:250000
• 1985 USGS St Louis quadrangle1:100000, 3 printings
• 1991 USGS Elsah quadrangle1:24000

History of Madison County, Illinois ... With Biographical Sketches .., published 1882 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 wildfire occurrence database lists 1 fire within 5 miles of Piasa Hills in 2011, burning under an acre 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:

• Alandale
• Clifton Terrace
• Melville
• Quatoga Bluff
• Riehl

Every fire recorded in Madison County

Regional context, not property-specific evidence. The federal mineral resources record lists 6 workings within 5 miles of Piasa Hills: 4 past producers, 1 producer, 1 occurrence. 1 still produces. What was taken out: Stone, Crushed/Broken, 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 Madison County

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

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

This settlement is recorded in the Geographic Names Information System as feature 1812324. 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.