Simerson, California
16 topographic sheets cover this place, the earliest surveyed in 1922 and the latest in 1991. It stands in the Willits census division. It lies in ZIP code area 95490. It stands on Mill Creek. The Survey maps it on the Willits quadrangle. It stands 1,378 feet above sea level.
Then and now
1922 to 1991The same ground, surveyed 69 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Compare 1922 against another survey:
On record in Simerson
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 4 records
The National Register names another town for these. They stand within one mile of this settlement's coordinate.
Willits Carnegie Librarylisted 1993 · 0.6 miles away
Willits Depotlisted 1999 · 0.6 miles away- Larsen Family Houselisted 1995 · 0.5 miles away
- Dr. Raymond Babcock Houselisted 2004 · 0.6 miles away
Topographic sheets covering this place
8 surveys from 16 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.
- 1922 USGS Willits quadrangle1:62500
- 1942 USGS Willits quadrangle1:62500
- 1944 USGS Willits quadrangle1:62500
- 1957 USGS Ukiah quadrangle1:250000, 3 printings
- 1960 USGS Ukiah quadrangle1:250000, 2 printings
- 1961 USGS Willits quadrangle1:62500, 3 printings
- 1981 USGS Ukiah quadrangle1:100000, 3 printings
- 1991 USGS Willits quadrangle1:24000, 2 printings
Fires near this place
294 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 294 fires within 5 miles of Simerson between 1992 and 2020, burning about 438 acres in total. 8 started naturally. 16 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 | 111 |
| Debris and open burning | 52 |
| Equipment and vehicle use | 45 |
| Misuse of fire by a minor | 20 |
| Arson/incendiarism | 16 |
| Railroad operations and maintenance | 15 |
| Smoking | 10 |
| Power generation/transmission/distribution | 8 |
| Natural | 8 |
| Recreation and ceremony | 7 |
| Other causes | 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 |
|---|---|---|---|---|
| 7 September 2015 | Equipment and vehicle use | under an acre | Mendocino Unit | WELL |
| 7 September 2007 | Equipment and vehicle use | 1.0 acres | Mendocino Unit | POPPY 3 |
| 5 September 2015 | Railroad operations and maintenance | 1.6 acres | Mendocino Unit | SUMMIT |
| 5 September 1992 | Equipment and vehicle use | 2.0 acres | Mendocino Unit | P. G. & E. #12 |
| 4 September 2018 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | FANBLADE |
| 4 September 2011 | Missing data/not specified/undetermined | under an acre | Mendocino Unit | POPPY |
| 30 September 2003 | Smoking | under an acre | Mendocino Unit | GARNER |
| 30 September 1999 | Missing data/not specified/undetermined | under an acre | Mendocino Unit | SMITH |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 16 shownRegional context, not property-specific evidence. The federal mineral resources record lists 16 workings within 5 miles of Simerson: 8 producers, 4 prospects, 2 occurrences, 1 unknown. 8 still produce. What was taken out: Manganese, Sand and Gravel, Construction, Stone, Crushed/Broken, Magnesite. 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 |
|---|---|---|---|---|
| Southard Ranch | Magnesite | Producer | Magnesite | |
| Ford Canyon Quarry | Stone, Crushed/Broken | Producer | ||
| Willits Quarry | Stone, Crushed/Broken | Producer | ||
| C A Haun and Son | Sand and Gravel, Construction | Past Producer | ||
| Longvale Plant | Sand and Gravel, Construction | Producer | ||
| Longvale Plant | Sand and Gravel, Construction | Producer | ||
| Willits Ready Mix | Sand and Gravel, Construction | Producer | ||
| Coursey Bros. | Manganese | Prospect | ||
| Coursey Brothers Prospect | Manganese | Prospect | 1917 | |
| Knight Prospect | Manganese | Prospect | 1942 |
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 |
|---|---|---|---|
| Upp | 0.4 miles | 16 | |
| Willits | 0.8 miles | 16 | |
| DeCamp | 1.3 miles | 16 | |
| Muir | 1.7 miles | 16 | |
| Brooktrails | 2.2 miles | 15 | |
| Fair Oaks | 3.0 miles | 16 | |
| Crowley | 3.8 miles | 15 | |
| Clare Mill | 3.9 miles | 15 |
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 Q7517691 | 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 1653112. 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.







