Louisa, 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.

• 1888 USGS Marion quadrangle1:62500
• 1889 USGS Marion quadrangle1:62500, 3 printings
• 1903 USGS Winthrop quadrangle1:125000, 2 printings
• 1959 USGS Dubuque quadrangle1:250000
• 1961 USGS Dubuque quadrangle1:250000
• 1962 USGS Dubuque quadrangle1:250000, 2 printings
• 1967 USGS Cedar Rapids North quadrangle1:24000, 2 printings
• 1975 USGS Cedar Rapids North quadrangle1:24000
• 1976 USGS Dubuque quadrangle1:250000
• 1984 USGS Anamosa quadrangle1:100000, 2 printings
• 1994 USGS Cedar Rapids North quadrangle1:24000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 13 fires within 5 miles of Louisa between 1996 and 2017, burning about 48 acres in total. 1 started naturally. 1 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:

• Covington
• Hiawatha
• Hiawatha Oak Brook Court
• Linn Junction
• New Buffalo
• Cedar Rapids

Every fire recorded in Linn County

Regional context, not property-specific evidence. The federal mineral resources record lists 12 workings within 5 miles of Louisa: 10 past producers, 2 producers. 2 still produce. What was taken out: Sand and Gravel, Construction, Stone, Crushed/Broken. 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 Linn 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 464630. 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.