Dupo, 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.

• 1888 USGS St. Louis quadrangle1:62500
• 1933 USGS Cahokia quadrangle1:24000
• 1934 USGS Cahokia quadrangle1:24000, 2 printings
• 1940 USGS Cahokia quadrangle1:24000, 3 printings
• 1949 USGS Cahokia quadrangle1:24000, 2 printings
• 1949 USGS Saint Louis quadrangle1:250000
• 1949 USGS St. Louis quadrangle1:250000
• 1954 USGS Cahokia quadrangle1:24000, 5 printings
• 1962 USGS St. Louis quadrangle1:250000
• 1963 USGS St. Louis quadrangle1:250000, 4 printings
• 1966 USGS St. Louis quadrangle1:250000
• 1985 USGS St Louis quadrangle1:100000, 3 printings
• 1993 USGS Cahokia quadrangle1:24000
• 1998 USGS Cahokia quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 1 fire within 5 miles of Dupo in 2014, 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:

• Cahokia
• East Carondelet
• Falling Spring
• Maplewood Park
• North Dupo
• Sauget

Every fire recorded in St. Clair County

Regional context, not property-specific evidence. The federal mineral resources record lists 31 workings within 5 miles of Dupo: 24 past producers, 4 plants, 2 producers, 1 occurrence. 6 still produce. What was taken out: Stone, Crushed/Broken, 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 St. Clair County

Regional context, not property-specific evidence. The National Weather Service names Dupo in 20 storm reports between 1994 and 2025: 11 thunderstorm wind, 8 hail, 1 tornado. 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 426318. 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.