Mercey Hot Springs, California

The same ground, surveyed 87 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1913 2000

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.

• 1913 USGS Panoche quadrangle1:125000, 4 printings
• 1944 USGS Panoche Valley quadrangle1:62500, 2 printings
• 1948 USGS Santa Cruz quadrangle1:250000, 2 printings
• 1955 USGS Santa Cruz quadrangle1:250000
• 1956 USGS Panoche Valley quadrangle1:62500, 2 printings
• 1957 USGS Santa Cruz quadrangle1:250000
• 1958 USGS Santa Cruz quadrangle1:250000, 2 printings
• 1965 USGS Santa Cruz quadrangle1:250000
• 1969 USGS Mercey Hot Springs quadrangle1:24000, 2 printings
• 1974 USGS Monterey quadrangle1:250000
• 1982 USGS Mendota quadrangle1:100000, 2 printings
• 2000 USGS Mercey Hot Springs quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 12 fires within 5 miles of Mercey Hot Springs between 1993 and 2019, burning about 287 acres in total. None 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.

Every fire recorded in Fresno County

Regional context, not property-specific evidence. The federal mineral resources record lists 16 workings within 5 miles of Mercey Hot Springs: 4 past producers, 4 unknowns, 3 producers, 3 prospects. 3 still produce. What was taken out: Mercury, Copper, Stone, Crushed/Broken, Gypsum-Anhydrite. 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 Fresno 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 1659109. 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.