Eldergrove, Iowa

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.

• 1903 USGS Waukon quadrangle1:125000, 5 printings
• 1929 USGS Prairie Du Chien quadrangle1:62500
• 1932 USGS Prairie Du Chien quadrangle1:62500, 4 printings
• 1958 USGS La Crosse quadrangle1:250000, 2 printings
• 1961 USGS La Crosse quadrangle1:250000
• 1965 USGS La Crosse quadrangle1:250000
• 1967 USGS Prairie Du Chien quadrangle1:62500
• 1976 USGS La Crosse quadrangle1:250000
• 1983 USGS Harpers Ferry quadrangle1:24000
• 1985 USGS Decorah quadrangle1:100000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 7 fires within 5 miles of Eldergrove between 2009 and 2018, burning about 55 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:

• Thompson Corner
• Lyndale
• Dalby
• Harpers Ferry
• Village Creek
• Elon

Every fire recorded in Allamakee County

Regional context, not property-specific evidence. The federal mineral resources record lists 8 workings within 5 miles of Eldergrove: 5 past producers, 2 producers, 1 unknown. 2 still produce. What was taken out: Stone, Crushed/Broken, Lead, 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 Allamakee 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 464532. 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.