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Tamalpais Valley Junction, California

41 topographic sheets cover this place, the earliest surveyed in 1897 and the latest in 1995. It stands in the Southeast Marin census division. It lies in ZIP code area 94941. It lies near Tamalpais Valley. The Survey maps it on the San Rafael quadrangle. It stands 33 feet above sea level.

Tamalpais Valley Junction within Marin County

Then and now

1897 to 1995

The same ground, surveyed 98 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Tamalpais Valley Junction, surveyed 1995
Topographic sheet of Tamalpais Valley Junction, surveyed 1897

Topographic sheets covering this place

17 surveys from 41 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

153 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 153 fires within 5 miles of Tamalpais Valley Junction between 1992 and 2020, burning about 464 acres in total. 3 started naturally. 7 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/undetermined70
Recreation and ceremony22
Equipment and vehicle use19
Smoking14
Arson/incendiarism7
Fireworks5
Power generation/transmission/distribution4
Misuse of fire by a minor4
Natural3
Debris and open burning3
Other causes2

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 2011Missing data/not specified/undeterminedunder an acreMarin County Fire Departmentnot named
7 September 2011Missing data/not specified/undetermined3.0 acresMarin County Fire Departmentnot named
7 September 1992Recreation and ceremonyunder an acreGolden Gate National Recreation AreaLEACH
5 September 2001Missing data/not specified/undeterminedunder an acreGolden Gate National Recreation AreaALTA
3 September 2020Missing data/not specified/undeterminedunder an acreMarin County Fire Departmentnot named
3 September 2018Missing data/not specified/undeterminedunder an acreGolden Gate National Recreation AreaBONITA
3 September 2007Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire Protectionnot named
24 September 1993Power generation/transmission/distribution2.0 acresGolden Gate National Recreation AreaTV#1

Settlements close enough to share some of these fires:

Every fire recorded in Marin County

Mines and quarries near this place

10 of 23 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 23 workings within 5 miles of Tamalpais Valley Junction: 13 occurrences, 4 producers, 4 unknowns, 1 prospect. 4 still produce. What was taken out: Stone, Crushed/Broken, Manganese, Mercury, Stone. 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
Copperopolis MineAsbestosProducerChrysotile
Fort BakerGold, ManganeseOccurrence1914
Lime PointGemstoneOccurrence1935
Tiburon Ridge FlagstoneStone, Stone, DimensionOccurrence
Angel Island DredgeSand and Gravel, ConstructionProducer
ClaimMercuryOccurrence
ClaimMercuryOccurrence
Escalle QuarryStoneUnknown
Ft BakerStoneUnknown
GreenbraeSand and Gravel, ConstructionProducer

Every working recorded in Marin 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
Manzanita0.4 miles41
Almonte0.6 miles41
Strawberry Manor1.1 miles41
Tamalpais Valley1.1 miles41
Marin City1.2 miles39
Harbor Point1.3 miles41
Homestead Valley1.3 miles41
Strawberry1.3 miles41

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 Tamalpais Valley JunctionAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q7680604The 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 235987. 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.