Boulder, Idaho

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.

• 1900 USGS Sawtooth quadrangle1:125000, 4 printings
• 1955 USGS Hailey quadrangle1:250000, 4 printings
• 1959 USGS Hailey quadrangle1:250000, 2 printings
• 1962 USGS Hailey quadrangle1:250000
• 1970 USGS Easley Hot Springs quadrangle1:24000, 3 printings
• 1992 USGS Sun Valley quadrangle1:100000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 33 fires within 5 miles of Boulder between 1992 and 2019, burning about 12 acres in total. 10 started naturally. 4 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:

• Cathedral Pines
• Easley Hot Springs

Every fire recorded in Blaine County

Regional context, not property-specific evidence. The federal mineral resources record lists 41 workings within 5 miles of Boulder: 11 occurrences, 10 past producers, 10 unknowns, 7 prospects. 3 still produce. What was taken out: Gold, Silver, Lead, Tungsten. 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 Blaine 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 396165. 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.