Los Serranos, California

The same ground, surveyed 82 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1901 1983

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.

• 1901 USGS Southern California Sheet No. 1 quadrangle1:250000, 6 printings
• 1902 USGS Corona quadrangle1:125000, 7 printings
• 1904 USGS Southern California Sheet No. 1 quadrangle1:250000, 2 printings
• 1933 USGS Prado quadrangle1:31680
• 1941 USGS Prado quadrangle1:31680, 2 printings
• 1942 USGS Corona quadrangle1:62500, 2 printings
• 1943 USGS Corona quadrangle1:62500
• 1947 USGS Santa Ana quadrangle1:250000
• 1949 USGS Prado Dam quadrangle1:24000, 2 printings
• 1949 USGS Santa Ana quadrangle1:250000
• 1950 USGS Prado Dam quadrangle1:24000
• 1956 USGS Santa Ana quadrangle1:250000
• 1959 USGS Santa Ana quadrangle1:250000, 3 printings
• 1960 USGS Santa Ana quadrangle1:250000, 2 printings
• 1965 USGS Santa Ana quadrangle1:250000
• 1967 USGS Prado Dam quadrangle1:24000, 5 printings
• 1983 USGS Santa Ana quadrangle1:100000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 159 fires within 5 miles of Los Serranos between 1992 and 2020, burning about 1,768 acres in total. None started naturally. 9 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:

• Boys Republic
• Chino Hills
• Sleepy Hollow
• Chino

Every fire recorded in San Bernardino County

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Los Serranos: 1 producer, 1 past producer. 1 still produces. What was taken out: Clay, 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 San Bernardino County

Regional context, not property-specific evidence. The National Weather Service names Los Serranos in 1 storm report in 2010: 1 flood. The reports record 1 death. 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 San Bernardino 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 1660952. 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.

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.