Keystone, Alabama

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.

• 1890 USGS Bessemer quadrangle1:125000
• 1892 USGS Bessemer quadrangle1:125000, 2 printings
• 1905 USGS Bessemer Iron District quadrangle1:62500, 2 printings
• 1905 USGS Bessemer Special quadrangle1:48000
• 1907 USGS Bessemer Iron District quadrangle1:62500, 3 printings
• 1907 USGS Bessemer Special quadrangle1:62500
• 1953 USGS Birmingham quadrangle1:250000, 4 printings
• 1956 USGS Birmingham quadrangle1:250000
• 1957 USGS Birmingham quadrangle1:250000
• 1959 USGS Helena quadrangle1:24000, 7 printings
• 1975 USGS Helena quadrangle1:24000
• 1984 USGS Birmingham South quadrangle1:100000, 2 printings
• 1997 USGS Helena quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 86 fires within 5 miles of Keystone between 1994 and 2017, burning about 633 acres in total. 1 started naturally. 21 were 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:

• Hardy
• Blueberry Estates
• Pelham
• Cahaba Valley Estates
• Dearing Downs
• Fungo Hollow

Every fire recorded in Shelby County

Regional context, not property-specific evidence. The federal mineral resources record lists 17 workings within 5 miles of Keystone: 5 past producers, 5 producers, 4 unknowns, 3 prospects. 5 still produce. What was taken out: Iron, Stone, Crushed/Broken, Barium-Barite, Calcium. 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 Shelby County

Regional context, not property-specific evidence. The National Weather Service names Keystone in 10 storm reports between 2009 and 2025: 8 thunderstorm wind, 1 flash flood, 1 lightning. 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 Shelby 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 121179. 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.