Gerlaw, 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.

• 1921 USGS Monmouth quadrangle1:62500, 3 printings
• 1923 USGS Monmouth quadrangle1:62500, 2 printings
• 1958 USGS Burlington quadrangle1:250000, 4 printings
• 1961 USGS Burlington quadrangle1:250000
• 1963 USGS Burlington quadrangle1:250000
• 1982 USGS Cameron quadrangle1:24000
• 1985 USGS Galesburg quadrangle1:100000, 2 printings
• 1989 USGS Galesburg quadrangle1:100000
• 1990 USGS Burlington quadrangle1:250000, 2 printings
• 1996 USGS Cameron quadrangle1:24000

Portrait and Biographical Album of Warren County, Illinois : Containing Full Page Portraits and Biographical Sketches of Prominent and Representative Citizens of the County, Together with Portraits and Biographies of All the Governors of Illinois, and of the Presidents of the United States ; Also Containing a History of the County, from Its Earliest Settlement Up to the Present Time, published 1886 names this settlement in its chapter on Spring Grove 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 Gerlaw in 2014, 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:

• Monmouth
• Ormonde

Every fire recorded in Warren County

Regional context, not property-specific evidence. The federal mineral resources record lists 4 workings within 5 miles of Gerlaw: 3 occurrences, 1 plant. 1 still produces. What was taken out: Stone, Crushed/Broken. 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 Warren County

Regional context, not property-specific evidence. The National Weather Service names Gerlaw in 8 storm reports between 1998 and 2025: 4 thunderstorm wind, 2 hail, 1 tornado, 1 flash flood. 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 Warren 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 408963. 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.