BlockBefore

Glen Valley, California

40 topographic sheets cover this place, the earliest surveyed in 1901 and the latest in 1983. It stands in the Lake Mathews census division. It lies in ZIP code area 92508. The Survey maps it on the Steele Peak quadrangle.

Glen Valley within Riverside County

Then and now

1901 to 1983

The same ground, surveyed 82 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Glen Valley, surveyed 1983
Topographic sheet of Glen Valley, surveyed 1901

Compare 1901 against another survey:

Topographic sheets covering this place

15 surveys from 40 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

1,220 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 1,220 fires within 5 miles of Glen Valley between 1992 and 2020, burning about 4,551 acres in total. 4 started naturally. 82 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/undetermined570
Equipment and vehicle use279
Misuse of fire by a minor106
Debris and open burning104
Arson/incendiarism82
Smoking51
Recreation and ceremony18
Power generation/transmission/distribution5
Natural4
Firearms and explosives use1

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 2020Missing data/not specified/undetermined1.0 acresRiverside UnitIDALEONA RD PERR
9 September 2011Debris and open burning1.0 acresRiverside UnitGARZA RD / WITHERS RD
9 September 2008Equipment and vehicle use1.0 acresRiverside UnitCARROLL
9 September 2006Equipment and vehicle useunder an acreRiverside UnitVALLEY
9 September 1996Equipment and vehicle use2.0 acresRiverside UnitMATHEWS
9 September 1995Equipment and vehicle useunder an acreRiverside UnitLOCAL 15179
9 September 1994Equipment and vehicle useunder an acreRiverside UnitSTATE
9 September 1993Misuse of fire by a minorunder an acreRiverside UnitSTATE

Settlements close enough to share some of these fires:

Every fire recorded in Riverside County

Mines and quarries near this place

10 of 28 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 28 workings within 5 miles of Glen Valley: 17 past producers, 6 producers, 4 prospects, 1 occurrence. 6 still produce. What was taken out: Gold, Stone, Crushed/Broken, Granite, 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
Middlesworth Clay DepositClayPast Producer
Spider Web No. 1Copper, GoldOccurrence
Crestmore MineLimestone, GeneralPast ProducerSedimentary
Crestmore MineLimestone, GeneralPast Producer
Gavilan HillsGold, SilverPast Producer
Washington MineGold, SilverPast Producer
Blue Gray Granite QuarryGraniteProducer
Blue Gray Granite QuarryGraniteProducer
Blue-Gray Granite QuarryGranitePast Producer
PitGraniteProducer

Every working recorded in Riverside 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
Woodcrest2.2 miles45
Mead Valley2.5 miles40
Arnold Heights3.3 miles43
Alessandro3.4 miles43
West March3.8 miles43
Val Verde3.9 miles40
March Field4.6 miles43
Edgemont4.7 miles43

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 Q122596444The 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 1660678. 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.