BlockBefore

Westridge, California

51 topographic sheets cover this place, the earliest surveyed in 1897 and the latest in 1997. It stands in the San Mateo census division. It lies in ZIP code area 94028. It lies near Jasper Ridge. The Survey maps it on the Palo Alto quadrangle.

Westridge within San Mateo County

Then and now

1897 to 1997

The same ground, surveyed 100 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Westridge, surveyed 1997
Topographic sheet of Westridge, surveyed 1897

Compare 1897 against another survey:

On record in Westridge

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.

Topographic sheets covering this place

22 surveys from 51 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

161 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 161 fires within 5 miles of Westridge between 1992 and 2020, burning about 148 acres in total. 5 started naturally. 10 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/undetermined92
Equipment and vehicle use34
Arson/incendiarism10
Misuse of fire by a minor8
Smoking6
Natural5
Debris and open burning4
Power generation/transmission/distribution2

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
6 September 2013Equipment and vehicle use1.2 acresSan Mateo-Santa Cruz UnitALPINE
5 September 2020Arson/incendiarismunder an acreSan Mateo-Santa Cruz UnitCONTROL BURN
30 September 2018Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire ProtectionNB HWY 280 / SAND HILL R
3 September 2000Equipment and vehicle use2.0 acresSan Mateo-Santa Cruz UnitRAPLEY
28 September 2009Missing data/not specified/undeterminedunder an acreCalifornia Department of Forestry & Fire Protectionnot named
25 September 2006Equipment and vehicle use1.0 acresSan Mateo-Santa Cruz UnitRUSSIAN
23 September 2020Missing data/not specified/undetermined1.0 acresSan Mateo-Santa Cruz Unitnot named
2 September 2008Missing data/not specified/undetermined2.0 acresSan Mateo-Santa Cruz UnitWINDY HILL PICNIC AREA 11

Settlements close enough to share some of these fires:

Every fire recorded in San Mateo County

Mines and quarries near this place

10 of 19 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 19 workings within 5 miles of Westridge: 7 producers, 6 past producers, 6 unknowns. 7 still produce. What was taken out: Stone, Mercury, Gold, Silver. 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
J. M. MacdonoughGold, Lead, SilverUnknown
J.M. Macdonough RanchGold, Silver, LeadPast ProducerGold
Langley Hill QuarryStone, Crushed/BrokenProducer
ChallengeMercuryPast Producer1955
Emerald LakeMercuryProducer
Farm Hill Cinnabar PropertyMercuryUnknown
Farm Hill No 2MercuryPast Producer
Redwood Quicksilver ProspectMercuryUnknown
Bahr & Ledoyen, Inc.StoneProducer
Bahr & Ledoyen, Inc.StonePast Producer

Every working recorded in San Mateo 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
Portola Valley1.1 miles51
Ladera1.2 miles51
Woodside Highlands1.6 miles51
Searsville (historical)1.6 miles51
Stanford Weekend Acres2.3 miles51
Sky Londa2.4 miles37
Stanford Hills2.5 miles51
Sharon Heights2.6 miles51

Provenance

This settlement is recorded in the Geographic Names Information System as feature 1786308. 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.