Portia, Missouri

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.

• 1886 USGS Nevada quadrangle1:125000
• 1894 USGS Nevada quadrangle1:125000, 5 printings
• 1939 USGS Eldorado Springs North quadrangle1:24000, 2 printings
• 1941 USGS Eldorado Springs North quadrangle1:24000
• 1947 USGS Joplin quadrangle1:250000
• 1949 USGS Joplin quadrangle1:250000
• 1954 USGS Joplin quadrangle1:250000, 3 printings
• 1958 USGS Joplin quadrangle1:250000
• 1959 USGS Joplin quadrangle1:250000
• 1986 USGS Nevada quadrangle1:100000
• 1991 USGS El Dorado Springs North quadrangle1:24000
• 1991 USGS Nevada quadrangle1:100000

History of Vernon County, Missouri : Past and Present, Including an Account of the Cities, Towns and Villages of the County, published 1911 has no passage naming this settlement, which was common for smaller places. Its township is covered in full.

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 8 fires within 5 miles of Portia between 1992 and 2020, burning about 1,086 acres in total. None started naturally. 3 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:

• Pashaw (historical)
• Dederick
• Oak Ridge
• Greene Springs (historical)
• Handley
• Montevallo

Every fire recorded in Vernon County

Regional context, not property-specific evidence. The federal mineral resources record lists 9 workings within 5 miles of Portia: 8 past producers, 1 producer. 1 still produces. What was taken out: 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 Vernon 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 748526. 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.