Union, Kentucky

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.

• 1916 USGS Cave in Rock quadrangle1:62500
• 1916 USGS Fords Ferry quadrangle1:62500
• 1921 USGS Fords Ferry quadrangle1:48000
• 1925 USGS Cave In Rock quadrangle1:62500, 3 printings
• 1949 USGS Paducah quadrangle1:250000, 2 printings
• 1950 USGS Paducah quadrangle1:250000
• 1954 USGS Paducah quadrangle1:250000, 2 printings
• 1954 USGS Salem quadrangle1:24000, 2 printings
• 1958 USGS Cave In Rock quadrangle1:62500
• 1961 USGS Paducah quadrangle1:250000, 2 printings
• 1964 USGS Paducah quadrangle1:250000, 2 printings
• 1984 USGS Paducah quadrangle1:100000
• 1986 USGS Paducah quadrangle1:100000
• 1987 USGS Paducah quadrangle1:250000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 24 fires within 5 miles of Union (historical) between 1998 and 2019, burning about 232 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:

• Levias
• Midway
• Sisco Chapel (historical)
• Siloem (historical)
• New Salem
• Sheridan

Every fire recorded in Crittenden County

Regional context, not property-specific evidence. The federal mineral resources record lists 93 workings within 5 miles of Union (historical): 45 past producers, 17 prospects, 14 occurrences, 12 unknowns. 5 still produce. What was taken out: Fluorine-Fluorite, Fluorine-Fluorite, Zinc, Lead, Lead, Zinc, Fluorine-Fluorite, Zinc. 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 Crittenden 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 2743706. 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.