Green Rock, 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.

• 1937 USGS Orion quadrangle1:62500, 2 printings
• 1953 USGS Green Rock quadrangle1:24000, 3 printings
• 1958 USGS Davenport quadrangle1:250000, 2 printings
• 1961 USGS Davenport quadrangle1:250000
• 1962 USGS Davenport quadrangle1:250000
• 1984 USGS Aledo quadrangle1:100000
• 1989 USGS Aledo quadrangle1:100000
• 1992 USGS Green Rock quadrangle1:24000

History of Henry County, Illinois : It's Taxpayers and Voters; Containing Also, a Biographical Directory, a Condensed History of the State; Map of the County; a Business Directory...etc, published 1877 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 Green Rock in 2018, burning about 1 acre 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:

• Cleveland
• Colona
• Dayton
• Green River
• Hickory Hills
• Level Acres

Every fire recorded in Henry County

Regional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of Green Rock: 2 producers, 1 past producer. 2 still produce. What was taken out: Sand and Gravel, Construction, 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 Henry County

Regional context, not property-specific evidence. The National Weather Service names Green Rock in 22 storm reports between 1995 and 2025: 9 thunderstorm wind, 6 hail, 3 flood, 3 flash flood. The reports record 1 injury. 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 Henry 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 409401. 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.