BlockBefore

Fort Ross, California

18 topographic sheets cover this place, the earliest surveyed in 1921 and the latest in 1998. It stands in the Russian River-Sonoma Coast census division. It lies in ZIP code area 95450. It stands on Fort Ross Creek. The Survey maps it on the Fort Ross quadrangle.

Fort Ross within Sonoma County

Then and now

1921 to 1998

The same ground, surveyed 77 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Fort Ross, surveyed 1998
Topographic sheet of Fort Ross, surveyed 1921

Compare 1921 against another survey:

On record in Fort Ross

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 2 records

Topographic sheets covering this place

11 surveys from 18 printed sheets

Matched 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.

Fires near this place

85 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 85 fires within 5 miles of Fort Ross between 1992 and 2020, burning about 112 acres in total. 1 started naturally. 2 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/undetermined32
Debris and open burning22
Equipment and vehicle use16
Recreation and ceremony5
Power generation/transmission/distribution3
Arson/incendiarism2
Smoking2
Misuse of fire by a minor1
Other causes1
Natural1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

DateCause SizeReported by Name on the report
8 September 2015Smokingunder an acreSonoma-Lake Napa UnitUMLAND CIR TIMBER_COVE
8 September 1998Recreation and ceremonyunder an acreNorthern California DistrictCAMPFIRE
5 September 2007Missing data/not specified/undetermined1.0 acresNorthern California DistrictUNNAMED FIRE 3652
25 September 2013Missing data/not specified/undetermined2.5 acresSonoma-Lake Napa UnitBOHAN
23 September 1995Debris and open burningunder an acreSonoma-Lake Napa UnitGROLBERT
21 September 2016Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire ProtectionMEYERS GRADE RD / HWY 1
21 September 2010Missing data/not specified/undeterminedunder an acreSonoma-Lake Napa UnitFORT
20 September 2006Equipment and vehicle use11 acresSonoma-Lake Napa UnitSEAVIEW 2

Settlements close enough to share some of these fires:

Every fire recorded in Sonoma County

Mines and quarries near this place

7 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 7 workings within 5 miles of Fort Ross: 4 occurrences, 1 unknown, 1 producer, 1 past producer. 1 still produces. What was taken out: Manganese, Mercury, Calcium, Calcium, Iron, Manganese, Silica. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
Aho MineCalcium, Iron, Manganese, SilicaPast Producer1924
Hooper RanchIronOccurrence
Kohlman GulchCalciumOccurrence
Unnamed ProspectMercuryOccurrence
Aho MineManganeseProducerRhodochrosite
Hayden ProspectManganeseOccurrence
Hayden ProspectManganeseUnknown1926

Every working recorded in Sonoma County

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 PlaceDistance Sheets
Seaview2.3 miles18
Toners Place3.7 miles18
Walsh Landing4.2 miles18
Truth Home7.2 miles18
Goat Rock8.0 miles18
Jenner8.1 miles16
Cazadero8.5 miles18
Bridgehaven9.4 miles16

Provenance

This settlement is recorded in the Geographic Names Information System as feature 252677. 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.