Gypsum, California
39 topographic sheets cover this place, the earliest surveyed in 1901 and the latest in 1983. It stands in the Anaheim-Santa Ana-Garden Grove census division. It lies in ZIP code area 92887. It lies near Coal Canyon. The Survey maps it on the Prado Dam quadrangle. The federal gazetteer marks this settlement historical: it is no longer a populated place, though the surveys that recorded it still are.
Then and now
1901 to 1983The 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.


On record in Gypsum
Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.
On the National Register within a mile 1 record
The National Register names another town for these. They stand within one mile of this settlement's coordinate.
Bixby-Bryant Ranch Houselisted 1997 · 0.9 miles away
Topographic sheets covering this place
17 surveys from 39 printed sheetsMatched 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
Fires near this place
175 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 175 fires within 5 miles of Gypsum (historical) between 1992 and 2020, burning about 93,175 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.
| Reported cause | Fires |
|---|---|
| Missing data/not specified/undetermined | 94 |
| Equipment and vehicle use | 42 |
| Arson/incendiarism | 9 |
| Smoking | 9 |
| Recreation and ceremony | 5 |
| Misuse of fire by a minor | 5 |
| Power generation/transmission/distribution | 4 |
| Debris and open burning | 3 |
| Railroad operations and maintenance | 3 |
| Fireworks | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 9 September 2000 | Missing data/not specified/undetermined | 1.0 acres | Riverside Unit | CORONA ASSIST |
| 7 September 1992 | Equipment and vehicle use | 508 acres | San Bernardino Unit | PARK |
| 5 September 1997 | Misuse of fire by a minor | under an acre | Riverside Unit | STATE |
| 4 September 1996 | Missing data/not specified/undetermined | under an acre | San Bernardino Unit | SPOT |
| 30 September 1999 | Arson/incendiarism | 440 acres | Cleveland National Forest | CHASE |
| 3 September 1997 | Equipment and vehicle use | 30 acres | Cleveland National Forest | GREEN |
| 3 September 1997 | Missing data/not specified/undetermined | 35 acres | Riverside Unit | STATE |
| 29 September 2004 | Recreation and ceremony | under an acre | Cleveland National Forest | COLT |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 31 shownRegional context, not property-specific evidence. The federal mineral resources record lists 31 workings within 5 miles of Gypsum (historical): 22 past producers, 4 prospects, 3 occurrences, 2 producers. 2 still produce. What was taken out: Clay, Sand and Gravel, Construction, Gypsum-Anhydrite, Limestone, General. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Sycamore Canyon Deposit | Gypsum-Anhydrite | Occurrence | ||
| Thomas Shale Quarry | Limestone, General | Past Producer | ||
| Prado Pit | Sand and Gravel, Construction | Past Producer | ||
| Star Quarry | Sand and Gravel, Construction | Past Producer | ||
| Valentine Pit | Sand and Gravel, Construction | Past Producer | ||
| Claymont Mines | Clay | Past Producer | ||
| Conduit Clay Placer | Clay | Prospect | Sedimentary | |
| Conduit Clay Placer | Clay | Prospect | ||
| Dominguez Lease Pit | Clay | Past Producer | ||
| Emsco Pit | Clay | Past Producer | Sedimentary |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Esperanza | 3.4 miles | 43 | |
| Beeks Place | 4.9 miles | 40 | |
| Friendly Village of Anaheim | 5.0 miles | 46 | |
| Anaheim Hills | 5.0 miles | 46 | |
| Yorba | 6.2 miles | 46 | |
| Yorba Linda | 6.4 miles | 43 | |
| Cerro Villa Heights | 6.9 miles | 46 | |
| Peralta Hills | 7.0 miles | 46 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 1693428. 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.
















