Del Prado Bolsa, 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.

1896 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.

• 1896 USGS Santa Ana quadrangle1:62500, 2 printings
• 1901 USGS Santa Ana quadrangle1:62500, 6 printings
• 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
• 1932 USGS Newport Beach quadrangle1:31680
• 1935 USGS Newport Beach quadrangle1:31680, 3 printings
• 1942 USGS Santa Ana quadrangle1:62500, 2 printings
• 1947 USGS Santa Ana quadrangle1:250000
• 1949 USGS Newport Beach quadrangle1:24000
• 1949 USGS Santa Ana quadrangle1:250000
• 1951 USGS Newport Beach quadrangle1:24000, 2 printings
• 1956 USGS Santa Ana quadrangle1:250000
• 1959 USGS Santa Ana quadrangle1:250000, 3 printings
• 1960 USGS Santa Ana quadrangle1:250000, 2 printings
• 1965 USGS Newport Beach quadrangle1:24000, 4 printings
• 1965 USGS Santa Ana quadrangle1:250000
• 1974 USGS Costa Mesa quadrangle1:24000
• 1983 USGS Santa Ana quadrangle1:100000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 360 fires within 5 miles of Del Prado Bolsa between 1998 and 2020, burning about 7,097 acres in total. 1 started naturally. 52 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:

• Bolsa Verde
• Green Lantern Village
• Villa Magnolia Mobile Home Park
• Clair
• Driftwood Mobile Home Park
• Midway City

Every fire recorded in Orange County

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Del Prado Bolsa: 1 producer, 1 past producer. 1 still produces. What was taken out: Sand and Gravel, Construction, Clay. 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 Orange 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 1765458. 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.