BlockBefore

Riverkern, California

25 topographic sheets cover this place, the earliest surveyed in 1906 and the latest in 1986. It stands in the Lake Isabella census division. It lies in ZIP code area 93238. It stands on Bull Run Creek. The Survey maps it on the Kernville quadrangle. It stands 2,795 feet above sea level.

Riverkern within Kern County

Then and now

1906 to 1986

The same ground, surveyed 80 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.

Topographic sheet of Riverkern, surveyed 1986
Topographic sheet of Riverkern, surveyed 1906

Compare 1906 against another survey:

Topographic sheets covering this place

11 surveys from 25 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

159 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 159 fires within 5 miles of Riverkern between 1992 and 2020, burning about 28,297 acres in total. 20 started naturally. 5 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/undetermined66
Recreation and ceremony26
Natural20
Equipment and vehicle use14
Misuse of fire by a minor10
Debris and open burning8
Smoking6
Arson/incendiarism5
Fireworks3
Other causes1

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 2009Missing data/not specified/undeterminedunder an acreSequoia National ForestFALLING WATERS
9 September 2004Missing data/not specified/undeterminedunder an acreSequoia National ForestHUT
9 September 2000Smokingunder an acreSequoia National ForestPOWER
8 September 2009Misuse of fire by a minorunder an acreCalifornia Department of Forestry & Fire Protectionnot named
5 September 2003Naturalunder an acreSequoia National ForestMEADOW
5 September 1994Recreation and ceremonyunder an acreSequoia National ForestPOST
5 September 1993Missing data/not specified/undeterminedunder an acreSequoia National ForestHALFWAY
3 September 2019Missing data/not specified/undeterminedunder an acreKern County Fire Departmentnot named

Settlements close enough to share some of these fires:

Every fire recorded in Kern County

Mines and quarries near this place

10 of 20 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 20 workings within 5 miles of Riverkern: 7 past producers, 5 prospects, 3 occurrences, 3 producers. 3 still produce. What was taken out: Gold, Tungsten, Tungsten, Gold, Gold, Silver, Copper, 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
Big Blue GroupGold, Silver, Copper, LeadProducer
Big Blue GroupGold, Silver, Lead, CopperPast Producer
Big Blue MineTungsten, GoldProducerGold, Scheelite
Kern Rock Co. PitSand and Gravel, ConstructionPast Producer
Los Tres Burros No. 1UraniumUnknown
Onyx # 1 & 2GemstoneProspect
San George MineAntimony, Copper, LeadProspect
Thunderbird MillsiteGold, Copper, SilverProspect
Tip-Top Lead-Zinc PropertyLead, ZincProspect
Little DickTungstenPast ProducerScheelite

Every working recorded in Kern 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
Camp Owens1.7 miles25
Kernville2.7 miles25
Kernville (historical)5.2 miles28
Wofford Heights5.7 miles28
Alta Sierra6.9 miles25
Shirley Meadows8.0 miles25
Isabella (historical)9.3 miles28
Mountain Mesa10.6 miles28

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 RiverkernAn encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q7338241The 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 1667548. 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.