Summerville, California

The same ground, surveyed 53 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1948 2001

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.

• 1948 USGS Weed quadrangle1:250000, 2 printings
• 1950 USGS Weed quadrangle1:250000
• 1955 USGS Cecilville quadrangle1:62500, 5 printings
• 1958 USGS Weed quadrangle1:250000, 3 printings
• 1963 USGS Weed quadrangle1:250000
• 1979 USGS Thompson Peak quadrangle1:24000, 3 printings
• 1983 USGS Hoopa quadrangle1:100000
• 2001 USGS Thompson Peak quadrangle1:24000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 68 fires within 5 miles of Summerville between 1992 and 2020, burning about 5,402 acres in total. 59 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:

• Cecilville
• Eileen
• Erickson
• Fort Goff
• Grass Lake
• Penoyar

Every fire recorded in Siskiyou County

Regional context, not property-specific evidence. The federal mineral resources record lists 47 workings within 5 miles of Summerville: 22 unknowns, 12 past producers, 10 occurrences, 2 prospects. 1 still produces. What was taken out: Gold, Silver, Copper, Chromium. 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 Siskiyou 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 1659915. 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.