Jefferson Island, Montana

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 Three Forks quadrangle1:250000
• 1894 USGS Three Forks quadrangle1:250000
• 1895 USGS Three Forks quadrangle1:250000, 5 printings
• 1947 USGS Bozeman quadrangle1:250000
• 1948 USGS Bozeman quadrangle1:250000
• 1950 USGS Jefferson Island quadrangle1:62500, 4 printings
• 1955 USGS Bozeman quadrangle1:250000
• 1958 USGS Bozeman quadrangle1:250000, 3 printings
• 1965 USGS Bozeman quadrangle1:250000
• 1987 USGS Jefferson Island quadrangle1:24000
• 1992 USGS Bozeman quadrangle1:100000
• 1996 USGS Jefferson Island quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 8 fires within 5 miles of Jefferson Island between 1998 and 2020, burning about 565 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:

• Eau Clair (historical)
• Alder
• Brandon
• Cameron
• Centerville (historical)
• Ennis

Every fire recorded in Madison County

Regional context, not property-specific evidence. The federal mineral resources record lists 19 workings within 5 miles of Jefferson Island: 10 past producers, 4 occurrences, 2 prospects, 1 plant. 2 still produce. What was taken out: Gold, Copper, Silver, Silver, Gold. 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 Madison 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 785440. 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.