BlockHart, California
27 topographic sheets cover this place, the earliest surveyed in 1910 and the latest in 1985. It stands in the Newberry Springs-Baker census division. The Survey maps it on the Hart Peak 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
1910 to 1985The same ground, surveyed 75 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
12 surveys from 27 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.
- 1910 USGS Ivanpah quadrangle1:250000
- 1912 USGS Ivanpah quadrangle1:250000, 5 printings
- 1942 USGS Ivanpah quadrangle1:250000
- 1947 USGS Kingman quadrangle1:250000, 2 printings
- 1948 USGS Kingman quadrangle1:250000
- 1954 USGS Kingman quadrangle1:250000, 4 printings
- 1955 USGS Kingman quadrangle1:250000
- 1956 USGS Crescent Peak quadrangle1:62500, 3 printings
- 1958 USGS Kingman quadrangle1:250000, 2 printings
- 1960 USGS Kingman quadrangle1:250000, 3 printings
- 1984 USGS Hart Peak quadrangle1:24000, 2 printings
- 1985 USGS Ivanpah quadrangle1:100000, 2 printings
Fires near this place
4 since 1993Regional context, not property-specific evidence. The federal wildfire occurrence database lists 4 fires within 5 miles of Hart (historical) between 1993 and 2016, burning about 435 acres in total. 3 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 |
|---|---|
| Natural | 3 |
| Missing data/not specified/undetermined | 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 |
|---|---|---|---|---|
| 29 August 1993 | Natural | 230 acres | California Desert District | CASTLE |
| 26 August 1996 | Missing data/not specified/undetermined | 5.0 acres | California Desert District | VICROY |
| 5 July 2015 | Natural | 193 acres | Mojave National Preserve | HART |
| 27 July 2016 | Natural | 7.2 acres | Mojave National Preserve | HART 2 |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 28 shownRegional context, not property-specific evidence. The federal mineral resources record lists 28 workings within 5 miles of Hart (historical): 12 past producers, 11 prospects, 3 producers, 1 plant. 4 still produce. What was taken out: Gold, Clay, Kaolin, Bentonite. 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 |
|---|---|---|---|---|
| C-1 Clay Mine | Kaolin, Ball Clay | Producer | ||
| Castle Mountain | Gold, Silver | Plant | 1907, 1991 | |
| Castle Mountain Mine | Gold, Silver, Clay, Arsenic, Antimony, Mercury, Molybdenum, Beryllium, Copper | Producer | 1907 | |
| Germanite | Copper | Prospect | ||
| Ivanpah Quarry | Stone, Crushed/Broken | Past Producer | ||
| Searchlight | Flagstone | Prospect | ||
| Unnamed Shaft | Barium-Barite | Prospect | ||
| Cedar Top Perlite | Perlite | Past Producer | ||
| Hats Prospect | Perlite | Prospect | ||
| C. and M. Deposit | Bentonite, Kaolin | 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.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Juan | 5.4 miles | 27 | |
| Barnwell | 7.0 miles | 26 | |
| Vanderbilt | 8.3 miles | 27 | |
| Moore | 11.0 miles | 27 | |
| Ivanpah | 11.5 miles | 27 | |
| Lanfair | 12.0 miles | 26 | |
| Fort Piute (historical) | 13.5 miles | 31 | |
| Brant | 14.2 miles | 27 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 1660728. 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.