BlockLockhart, California
20 topographic sheets cover this place, the earliest surveyed in 1915 and the latest in 1986. It stands in the Barstow census division. It lies in ZIP code area 92347. The Survey maps it on the Lockhart quadrangle.
Then and now
1915 to 1986The same ground, surveyed 71 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.
Compare 1915 against another survey:
Topographic sheets covering this place
9 surveys from 20 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.
- 1915 USGS Searles Lake quadrangle1:250000, 6 printings
- 1947 USGS Trona quadrangle1:250000
- 1948 USGS Trona quadrangle1:250000
- 1953 USGS Trona quadrangle1:250000
- 1956 USGS Fremont Peak quadrangle1:62500, 2 printings
- 1957 USGS Trona quadrangle1:250000, 5 printings
- 1960 USGS Trona quadrangle1:250000, 2 printings
- 1976 USGS Cuddeback Lake quadrangle1:100000
- 1986 USGS Lockhart quadrangle1:24000
Fires near this place
8 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 8 fires within 5 miles of Lockhart between 1992 and 2008, burning about 60 acres in total. 1 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 |
|---|---|
| Equipment and vehicle use | 2 |
| Power generation/transmission/distribution | 2 |
| Railroad operations and maintenance | 1 |
| Misuse of fire by a minor | 1 |
| Missing data/not specified/undetermined | 1 |
| Natural | 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 |
|---|---|---|---|---|
| 10 September 1995 | Misuse of fire by a minor | under an acre | San Bernardino National Forest | NEST |
| 28 June 1993 | Power generation/transmission/distribution | 3.0 acres | California Desert District | HARPER |
| 20 June 2002 | Natural | 25 acres | California Desert District | HARPER |
| 12 June 1992 | Equipment and vehicle use | 15 acres | San Bernardino Unit | HARPER |
| 12 June 1992 | Power generation/transmission/distribution | 15 acres | California Desert District | HARPER 2 |
| 26 May 1992 | Equipment and vehicle use | under an acre | California Desert District | HARPER |
| 18 March 2008 | Missing data/not specified/undetermined | under an acre | California Desert District | HARPER KIOSK |
| 20 October 1998 | Railroad operations and maintenance | 1.5 acres | California Desert District | RAILROAD |
Settlements close enough to share some of these fires:
Mines and quarries near this place
2 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Lockhart: 1 past producer, 1 prospect. None of them 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.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Unnamed Mine | Clay | Past Producer | ||
| Unnamed Prospect | Gold | Prospect |
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 |
|---|---|---|---|
| Hawes (historical) | 5.5 miles | 19 | |
| Eads (historical) | 5.5 miles | 19 | |
| Jimgrey | 7.7 miles | 17 | |
| Hinkley | 8.9 miles | 19 | |
| Kramer Hills (historical) | 9.8 miles | 17 | |
| Kramer Junction | 11.3 miles | 16 | |
| Kramer | 13.6 miles | 16 | |
| Mace (historical) | 13.6 miles | 21 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 1660932. 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.