Antonio, California
32 topographic sheets cover this place, the earliest surveyed in 1905 and the latest in 1989. It stands in the Lompoc census division. It lies near Casmalia Canyon. The Survey maps it on the Casmalia quadrangle.
Then and now
1905 to 1989The same ground, surveyed 84 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Topographic sheets covering this place
15 surveys from 32 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.
- 1905 USGS Guadalupe quadrangle1:125000, 6 printings
- 1942 USGS Guadalupe quadrangle1:125000
- 1942 USGS Point Sal quadrangle1:62500
- 1947 USGS Casmalia quadrangle1:24000, 2 printings
- 1947 USGS Point Sal quadrangle1:62500, 2 printings
- 1948 USGS Santa Maria quadrangle1:250000, 2 printings
- 1956 USGS Santa Maria quadrangle1:250000, 2 printings
- 1957 USGS Santa Maria quadrangle1:250000
- 1958 USGS Santa Maria quadrangle1:250000
- 1959 USGS Casmalia quadrangle1:24000, 7 printings
- 1959 USGS Point Sal quadrangle1:62500, 2 printings
- 1962 USGS Santa Maria quadrangle1:250000
- 1978 USGS Casmalia quadrangle1:24000
- 1982 USGS Santa Maria quadrangle1:100000, 2 printings
- 1989 USGS Santa Maria quadrangle1:250000
Fires near this place
2 since 2017Regional context, not property-specific evidence. The federal wildfire occurrence database lists 2 fires within 5 miles of Antonio between 2017 and 2020, burning about 4 acres in total. None started naturally. None 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.
| Reported cause | Fires |
|---|---|
| Missing data/not specified/undetermined | 2 |
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 |
|---|---|---|---|---|
| 15 August 2020 | Missing data/not specified/undetermined | 1.0 acres | Vandenberg Air Force Base Fire Department | NORTHSTAR |
| 1 June 2017 | Missing data/not specified/undetermined | 2.8 acres | California Department of Forestry & Fire Protection | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
5 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 5 workings within 5 miles of Antonio: 2 past producers, 2 occurrences, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction, Chromium, Stone, Crushed/Broken, Gold. 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 |
|---|---|---|---|---|
| Airox Inc Casmalia Pit | Stone, Crushed/Broken | Producer | ||
| Casmalia | Gold | Occurrence | ||
| Point Sal Prospect | Chromium | Occurrence | Chromite | |
| Gravel Pit | Sand and Gravel, Construction | Past Producer | ||
| Salvaing Pit and Mill | Sand and Gravel, Construction | Past Producer |
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.
Elsewhere
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.
| Wikidata item Q17141496 | The structured record the population and elevation above come from. Public domain (CC0). |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 1656425. 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.














