Walnut Grove, 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.

• 1912 USGS Milan quadrangle1:62500, 7 printings
• 1944 USGS Milan quadrangle1:62500
• 1953 USGS Andalusia quadrangle1:24000, 3 printings
• 1953 USGS Milan quadrangle1:62500
• 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
• 1991 USGS Andalusia quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 16 fires within 5 miles of Walnut Grove between 2008 and 2011, burning about 2 acres in total. 1 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:

• Chapel Hill (historical)
• Nahant
• Rockingham (historical)
• Linwood
• Davenport
• Black Hawk

Every fire recorded in Scott County

Regional context, not property-specific evidence. The federal mineral resources record lists 8 workings within 5 miles of Walnut Grove: 7 producers, 1 past producer. 7 still produce. What was taken out: Stone, Crushed/Broken, Sand and Gravel, Construction, Salt, 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 Scott 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 462643. 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.