Radum, California
27 topographic sheets cover this place, the earliest surveyed in 1906 and the latest in 1989. It stands in the Livermore-Pleasanton census division. It lies in ZIP code area 94566. The Survey maps it on the Livermore quadrangle. It stands 361 feet above sea level. 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
1906 to 1989The same ground, surveyed 83 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


On record in Radum
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.
John W. Kottinger Adobe Barnlisted 1985 · 0.9 miles away
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.
- 1906 USGS Pleasanton quadrangle1:62500, 5 printings
- 1941 USGS Pleasanton quadrangle1:62500
- 1943 USGS Pleasanton quadrangle1:62500
- 1947 USGS San Jose quadrangle1:250000
- 1953 USGS Livermore quadrangle1:24000, 2 printings
- 1953 USGS Livermore quadrangle1:62500
- 1956 USGS San Jose quadrangle1:250000
- 1961 USGS Livermore quadrangle1:24000, 6 printings
- 1961 USGS Livermore quadrangle1:62500, 2 printings
- 1962 USGS San Jose quadrangle1:250000, 4 printings
- 1966 USGS San Jose quadrangle1:250000
- 1989 USGS Stockton quadrangle1:100000, 2 printings
Fires near this place
377 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 377 fires within 5 miles of Radum (historical) between 1992 and 2020, burning about 1,345 acres in total. 2 started naturally. 29 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 | 243 |
| Equipment and vehicle use | 59 |
| Arson/incendiarism | 29 |
| Smoking | 22 |
| Debris and open burning | 10 |
| Misuse of fire by a minor | 8 |
| Natural | 2 |
| Recreation and ceremony | 1 |
| Railroad operations and maintenance | 1 |
| Power generation/transmission/distribution | 1 |
| Firearms and explosives use | 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 2014 | Smoking | under an acre | Santa Clara Unit | PLEASANTON SUNOL RD / VER |
| 8 September 2020 | Debris and open burning | under an acre | Santa Clara Unit | not named |
| 8 September 2007 | Arson/incendiarism | under an acre | California Department of Forestry & Fire Protection | not named |
| 8 September 2006 | Debris and open burning | under an acre | California Department of Forestry & Fire Protection | not named |
| 8 September 2002 | Equipment and vehicle use | under an acre | Santa Clara Unit | THE BOAT |
| 8 September 2000 | Missing data/not specified/undetermined | under an acre | Santa Clara Unit | BMW |
| 7 September 2010 | Arson/incendiarism | under an acre | California Department of Forestry & Fire Protection | not named |
| 7 September 2008 | Arson/incendiarism | under an acre | California Department of Forestry & Fire Protection | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 30 shownRegional context, not property-specific evidence. The federal mineral resources record lists 30 workings within 5 miles of Radum (historical): 13 past producers, 11 producers, 6 occurrences. 11 still produce. What was taken out: Sand and Gravel, Construction, Manganese, Clay, 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 |
|---|---|---|---|---|
| Bezley Quarry | Silver | Producer | ||
| Pleasanton Deposit | Limestone, General | Past Producer | ||
| Pleasonton Deposit | Limestone, General | Producer | Sedimentary | |
| Unnamed Location | Clay | Occurrence | ||
| Unnamed Location | Clay | Occurrence | ||
| Homestead Deposit | Manganese | Occurrence | ||
| Isler Mountain | Manganese | Occurrence | ||
| Mt. Hamilton Deposit | Manganese | Occurrence | ||
| Overacker Mine | Manganese | Occurrence | ||
| Central Maintenance Heavy Equip Shp | Sand and Gravel, Construction | 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 |
|---|---|---|---|
| Remillard (historical) | 0.3 miles | 27 | |
| Pleasanton | 1.0 miles | 27 | |
| Elliot (historical) | 1.1 miles | 27 | |
| Asco (historical) | 1.1 miles | 27 | |
| East Pleasanton | 1.6 miles | 27 | |
| Verona | 3.2 miles | 31 | |
| Dougherty | 3.9 miles | 31 | |
| Kilkare Woods | 4.0 miles | 31 |
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.
| Wikipedia article on Radum (historical) | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q7281755 | 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 252772. 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.











