Fort 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.

• 1920 USGS Grays Lake quadrangle1:62500, 3 printings
• 1923 USGS Grays Lake quadrangle1:62500, 4 printings
• 1954 USGS Rockford quadrangle1:250000
• 1955 USGS Rockford quadrangle1:250000
• 1958 USGS Rockford quadrangle1:250000, 4 printings
• 1960 USGS Grayslake quadrangle1:24000, 4 printings
• 1960 USGS Grayslake quadrangle1:62500
• 1963 USGS Rockford quadrangle1:250000
• 1981 USGS Elgin quadrangle1:100000
• 1993 USGS Grayslake quadrangle1:24000

The Past and Present of Lake County, Illinois, published 1877 names this settlement in its chapter on Avon 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 31 fires within 5 miles of Fort Hill between 2008 and 2019, burning about 120 acres in total. None started naturally. 1 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:

• Fox Lake Hills
• Monaville
• Round Lake
• Round Lake Beach
• Round Lake Heights
• Fox Lake

Every fire recorded in Lake County

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Fort Hill: 1 past producer. None of them still produces. What was taken out: 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 Lake 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 1821959. 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.