Delta, California

The same ground, surveyed 85 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

1896 1981

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 Redondo quadrangle1:62500, 9 printings
• 1901 USGS Southern California Sheet No. 1 quadrangle1:250000, 6 printings
• 1904 USGS Southern California Sheet No. 1 quadrangle1:250000, 2 printings
• 1924 USGS Inglewood quadrangle1:24000
• 1930 USGS Inglewood quadrangle1:24000
• 1943 USGS San Pedro quadrangle1:125000
• 1944 USGS Redondo quadrangle1:62500
• 1948 USGS Inglewood quadrangle1:24000
• 1949 USGS Long Beach quadrangle1:250000, 2 printings
• 1950 USGS Inglewood quadrangle1:24000
• 1952 USGS Inglewood quadrangle1:24000
• 1957 USGS Long Beach quadrangle1:250000, 4 printings
• 1958 USGS Long Beach quadrangle1:250000
• 1960 USGS Long Beach quadrangle1:250000, 2 printings
• 1964 USGS Inglewood quadrangle1:24000, 4 printings
• 1981 USGS Long Beach quadrangle1:100000, 3 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 340 fires within 5 miles of Delta between 2005 and 2020, burning about 2,199 acres in total. None started naturally. 22 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:

• Cypave
• Strawberry Park
• West Athens
• Westmont
• Alondra Park
• Del Aire

Every fire recorded in Los Angeles County

Regional context, not property-specific evidence. The federal mineral resources record lists 14 workings within 5 miles of Delta: 12 past producers, 1 plant, 1 producer. 2 still produce. What was taken out: Clay, Silica, Titanium, Metal, Lead. 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 Los Angeles 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 1660538. 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.