Willow Lake, 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.

• 1939 USGS Freeport quadrangle1:62500
• 1939 USGS Freeport quadrangle1:48000
• 1944 USGS Freeport quadrangle1:62500
• 1954 USGS Rockford quadrangle1:250000
• 1955 USGS Rockford quadrangle1:250000
• 1958 USGS Rockford quadrangle1:250000, 4 printings
• 1963 USGS Rockford quadrangle1:250000
• 1971 USGS Freeport West quadrangle1:24000, 2 printings
• 1981 USGS Rockford quadrangle1:100000, 2 printings
• 1998 USGS Freeport West quadrangle1:24000

The History of Stephenson County, Illinois : Containing ... Biographical Sketches ... War Record ... Statistics ... Portraits of Early Settlers ... History of the Northwest, History of Illinois, &c. .., published 1880; History of Stephenson County, Illinois : a Record of Its Settlement, Organization, and Three-quarters of a Century of Progress, published 1910 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 16 fires within 5 miles of Willow Lake between 2010 and 2017, burning about 17 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:

• West Junction
• Freeport
• Cedarville
• Scioto Mills
• Damascus
• Browns Mill

Every fire recorded in Stephenson County

Regional context, not property-specific evidence. The federal mineral resources record lists 20 workings within 5 miles of Willow Lake: 17 past producers, 3 producers. 3 still produce. What was taken out: Stone, Crushed/Broken, Sand and Gravel, Construction. 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 Stephenson 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 2806585. 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.