BlockBefore

Comstock Ranch, California

34 topographic sheets cover this place, the earliest surveyed in 1891 and the latest in 2001. It stands in the Twain Harte-Tuolumne City census division. It lies in ZIP code area 95370. It lies near Elizabeth Peak. The Survey maps it on the Columbia SE quadrangle.

Comstock Ranch within Tuolumne County

Then and now

1891 to 2001

The same ground, surveyed 110 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Comstock Ranch, surveyed 2001
Topographic sheet of Comstock Ranch, surveyed 1891

Topographic sheets covering this place

13 surveys from 34 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

631 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 631 fires within 5 miles of Comstock Ranch between 1992 and 2020, burning about 2,320 acres in total. 20 started naturally. 32 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/undetermined217
Debris and open burning185
Equipment and vehicle use97
Misuse of fire by a minor36
Arson/incendiarism32
Natural20
Recreation and ceremony20
Smoking16
Power generation/transmission/distribution8

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
9 September 2012Smokingunder an acreTuolumne-Calaveras UnitTUOLUMNE
9 September 1999Naturalunder an acreCentral California DistrictLIGHTNING 32
9 September 1999Naturalunder an acreStanislaus National ForestLIZZY 1
8 September 2015Missing data/not specified/undetermined100 acresTuolumne-Calaveras UnitOAK
8 September 2011Equipment and vehicle use1.0 acresTuolumne-Calaveras UnitCAYLOR
7 September 2019Missing data/not specified/undeterminedunder an acreTuolumne-Calaveras UnitCOMMUNITY DR TUOLUMNE_CO
7 September 2015Missing data/not specified/undeterminedunder an acreTuolumne-Calaveras UnitLAKEVIEW
7 September 2006Smoking1.0 acresTuolumne-Calaveras UnitF #691 - FC ULVEVADET

Settlements close enough to share some of these fires:

Every fire recorded in Tuolumne County

Mines and quarries near this place

10 of 162 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 162 workings within 5 miles of Comstock Ranch: 62 occurrences, 35 past producers, 30 producers, 19 unknowns. 30 still produce. What was taken out: Gold, Silver, Tungsten, Lead. 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
BelleviewGold, Lead, CopperPast ProducerChalcopyrite, Gold, Pyrite
DreisamGold, Zinc, Lead, IronProducerGalena, Gold, Marcasite, Pyrite, Pyrrhotite, Sphalerite
East Belt-Soulsbyville-ToulumneGold, SilverProducer
Gen Us GrantGold, UraniumPast Producer
Hazel DellGold, Lead, Silver, CopperOccurrence
HenningGold, Copper, SilverProspect
Louisiana GroupGold, Lead, Iron, ZincPast ProducerGalena, Gold, Marcasite, Pyrrhotite, Sphalerite
Mildred LloydGold, Copper, Lead, SilverProspect
Morning GloryGold, Copper, LeadOccurrence
New MamothLead, ZincOccurrence

Every working recorded in Tuolumne 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
Brentwood Park0.9 miles30
Cedar Ridge1.3 miles34
Lynnwood Estates1.7 miles30
Twain Harte1.7 miles30
Twain Harte Valley1.8 miles30
Goldmont Forest1.9 miles34
Lilac Terrace2.0 miles30
Black Oak Estates2.1 miles30

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 Q122559921The 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 1809395. 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.