Big Sag, 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.

• 1890 USGS Fort Benton quadrangle1:250000
• 1892 USGS Fort Benton quadrangle1:250000
• 1897 USGS Fort Benton quadrangle1:250000, 4 printings
• 1954 USGS Great Falls quadrangle1:250000, 4 printings
• 1957 USGS Great Falls quadrangle1:250000
• 1979 USGS Big Sag quadrangle1:24000
• 1984 USGS Fort Benton quadrangle1:100000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 2 fires within 5 miles of Big Sag between 2019 and 2020, burning about 6 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:

• Highwood

Every fire recorded in Chouteau County

Regional context, not property-specific evidence. The National Weather Service names Big Sag in 1 storm report in 2025: 1 hail. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

Every storm recorded in Chouteau 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 802031. 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.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.