Ski 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.

• 1923 USGS Barrington quadrangle1:62500, 4 printings
• 1935 USGS Barrington quadrangle1:62500
• 1954 USGS Rockford quadrangle1:250000
• 1955 USGS Rockford quadrangle1:250000
• 1958 USGS Rockford quadrangle1:250000, 4 printings
• 1960 USGS Barrington quadrangle1:24000, 4 printings
• 1961 USGS Barrington quadrangle1:62500
• 1963 USGS Rockford quadrangle1:250000
• 1981 USGS Elgin quadrangle1:100000
• 1993 USGS Barrington quadrangle1:24000

History of McHenry County, Illinois : Together with Sketches of Its Cities, Villages and Towns : Educational, Religious, Civil, Military, and Political History : Portraits of Prominent Persons, and Biographies of Representative Citizens, Also a Condensed History of Illinois .., published 1885; History of McHenry County, Illinois, published 1922 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 Ski Hill in 2009, burning about 3 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:

• Algonquin
• Barreville
• Burtons Bridge
• Camp Algonquin
• Cary
• Colby Point

Every fire recorded in McHenry County

Regional context, not property-specific evidence. The federal mineral resources record lists 6 workings within 5 miles of Ski Hill: 4 producers, 2 past producers. 4 still produce. 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 McHenry 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 418567. 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.