Pontiac, 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.

• 1907 USGS Belleville quadrangle1:62500, 3 printings
• 1937 USGS O'Fallon quadrangle1:24000, 2 printings
• 1954 USGS O'Fallon quadrangle1:24000, 4 printings
• 1958 USGS Belleville quadrangle1:250000, 3 printings
• 1962 USGS Belleville quadrangle1:250000
• 1985 USGS Carlyle Lake quadrangle1:100000, 2 printings
• 1991 USGS O'Fallon quadrangle1:24000, 2 printings

History of St. Clair County, Illinois. With Illustrations ... and Biographical Sketches of Some of Its Prominent Men and Pioneers, published 1881; Centennial, McKendree College, with St. Clair County History, published 1928 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 37 fires within 5 miles of Pontiac between 2008 and 2014, burning about 21 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:

• Fairview Heights
• Oak Hills
• Alorton
• Avery Hill
• Birkner
• Briar Hill

Every fire recorded in St. Clair County

Regional context, not property-specific evidence. The federal mineral resources record lists 6 workings within 5 miles of Pontiac: 3 past producers, 2 prospects, 1 occurrence. None of them still produces. What was taken out: Clay, Stone, Crushed/Broken, Fire Clay (Refractory), Silica, Aluminum, Iron, Titanium. 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 St. Clair County

Regional context, not property-specific evidence. The National Weather Service names Pontiac in 2 storm reports between 2010 and 2012: 1 hail, 1 thunderstorm wind. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

Every storm recorded in St. Clair 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 426469. 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.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.