Pennsylvania Corners, 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.

• 1918 USGS Dixon quadrangle1:62500, 3 printings
• 1950 USGS Dixon quadrangle1:62500, 2 printings
• 1958 USGS Aurora quadrangle1:250000, 3 printings
• 1961 USGS Aurora quadrangle1:250000
• 1983 USGS Grand Detour quadrangle1:24000
• 1985 USGS Dixon quadrangle1:100000, 2 printings

The county-history sources names this settlement in its chapter on Pine Creek Township. These are the passages that mention it, exactly as the scans read.

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 2 fires within 5 miles of Pennsylvania Corners between 2011 and 2019, burning about 22 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:

• Daysville
• Grand Detour
• Lost Nation
• Oregon
• Stratford

Every fire recorded in Ogle County

Regional context, not property-specific evidence. The federal mineral resources record lists 12 workings within 5 miles of Pennsylvania Corners: 7 past producers, 3 producers, 2 occurrences. 3 still produce. What was taken out: Stone, Crushed/Broken, Limestone, General. 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 Ogle 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 415530. 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.