Mines in Riverside County, California

Riverside County, California has 1,472 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 144 of these are currently active mining operations. The most commonly recorded commodity is gold, with 515 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Riverside County

Mine	Commodity	Type	Status	Source
Eagle Mountain Mine	Construction Sand and Gravel	Surface	Active	MSHA
3m	Construction Sand and Gravel	Surface	Active	MSHA
3m Corona Plant	Crushed, Broken Stone NEC	Surface	Active	MSHA
All American Aggregates	Construction Sand and Gravel	Surface	Active	MSHA
Banning	Construction Sand and Gravel	Surface	Active	MSHA
Chandler Aggregates - Gilman Springs	Dimension Limestone	Surface	Active	MSHA
Coachella Valley Aggregate	Construction Sand and Gravel	Surface	Active	MSHA
Cabazon	Construction Sand and Gravel	Surface	Active	MSHA
Corona	Construction Sand and Gravel	Surface	Active	MSHA
Corona Plant	Construction Sand and Gravel	Surface	Active	MSHA
Crawford's Mine	Construction Sand and Gravel	Surface	Active	MSHA
Dillon Plant	Construction Sand and Gravel	Surface	Active	MSHA
Dillon Road Pit	Construction Sand and Gravel	Surface	Active	MSHA
Eagle Valley	Sand, Industrial NEC	Surface	Active	MSHA
Eagle Valley Aggregates	Construction Sand and Gravel	Surface	Active	MSHA
Hj Hove	Construction Sand and Gravel	Surface	Active	MSHA
Juniper Flats	Construction Sand and Gravel	Surface	Active	MSHA
Maitri Canyon Plant	Construction Sand and Gravel	Surface	Active	MSHA
Maitri Sand and Gravel	Construction Sand and Gravel	Surface	Active	MSHA
Mayhew Plant	Construction Sand and Gravel	Surface	Active	MSHA
Nichols Road Pit	Construction Sand and Gravel	Surface	Active	MSHA
Plant #5	Construction Sand and Gravel	Surface	Active	MSHA
Portable Plant #1	Construction Sand and Gravel	Surface	Active	MSHA
Pacific Aggregates Pits	Construction Sand and Gravel	Surface	Active	MSHA
Pacific Clay Pits	Common Clays NEC	Surface	Active	MSHA
Painted Hills Quarry	Construction Sand and Gravel	Surface	Active	MSHA
Portable Plant	Sand, Common	Surface	Active	MSHA
Riverside Operation	Ground Silica	Facility	Active	MSHA
S-5 Red	Construction Sand and Gravel	Surface	Active	MSHA
The Standard Mine	Gypsum	Surface	Active	MSHA
Thousand Palms Pit	Construction Sand and Gravel	Surface	Active	MSHA
West Coast Aggregate Supply Inc	Construction Sand and Gravel	Surface	Active	MSHA
West Coast Aggregate Supply Inc	Construction Sand and Gravel	Surface	Active	MSHA
A-1 Thousand Palms Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Agnes Wilson Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Airport Blvd. Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Alberhill Clay-Shale Prospect	Clay	Surface	Producer	MRDS
Alice Mine	Gold		Producer	MRDS
Arlington District	Manganese		Producer	MRDS
Avalon Street Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Barth Deposit	Gypsum-Anhydrite		Producer	MRDS
Bautista Canyon Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Beal Mc Clellan Property	Manganese		Producer	MRDS
Big Maria Pit Crawford	Sand and Gravel, Construction	Surface	Producer	MRDS
Big Maria Pit Shepwell's	Sand and Gravel, Construction	Surface	Producer	MRDS
Black Ace Mine	Manganese		Producer	MRDS
Blarney Stone Quarry	Stone, Crushed/Broken		Producer	MRDS
Blue Gray Granite Quarry	Granite		Producer	MRDS
Blue Gray Granite Quarry	Granite		Producer	MRDS
Colorado Mine	Gold		Producer	MRDS
Corona Division Quarry and Mill	Stone		Producer	MRDS
Corona Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Cottonwood Springs Custom Mill	Gold	Processing Plant	Producer	MRDS
Desert Hot Springs	Geothermal	Well	Producer	MRDS
Dillon Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Eagle Mountains	Iron		Producer	MRDS
Eagle Mtn Iron Mine	Iron		Producer	MRDS
Eden Hot Springs	Geothermal	Well	Producer	MRDS
El Cerrito Ranch	Gypsum-Anhydrite		Producer	MRDS
Eldorado Mine New Eldorado Mine	Gold, Tungsten, Vanadium, Molybdenum		Producer	MRDS
Encaustic Tiling Co	Feldspar, Silica		Producer	MRDS
Ensley-Spaulding	Feldspar, Silica		Producer	MRDS
Figueroa Quarry	Stone, Dimension	Surface	Producer	MRDS
Frazer Gypsum Deposit	Gypsum-Anhydrite		Producer	MRDS
George Claims	Manganese		Producer	MRDS
Gilman Hot Springs	Geothermal	Well	Producer	MRDS
Glamis Hot Spring	Geothermal	Well	Producer	MRDS
Glen Avon Quarry	Marble, Dimension		Producer	MRDS
Glen Ivy Hot Springs	Geothermal	Well	Producer	MRDS
Golden Chariot Mine	Gold		Producer	MRDS
Gypsum Canyon Gypsum Deposit	Gypsum-Anhydrite		Producer	MRDS
Hagador Canyon Gypsum Dep	Gypsum-Anhydrite		Producer	MRDS
Highland Springs	Geothermal	Well	Producer	MRDS
Hoag Mine	Gold		Producer	MRDS
Horowitz Quarry	Sand and Gravel, Construction	Surface	Producer	MRDS
Intermac Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Iron Hat-Ironclad	Iron		Producer	MRDS
Ironwood	Manganese		Producer	MRDS
Jameson Deposit	Gypsum-Anhydrite		Producer	MRDS
Jensens Quarry	Marble, Dimension		Producer	MRDS
Jumbo Mine	Gold		Producer	MRDS
Lake Elsinore Hotel Spring	Geothermal	Well	Producer	MRDS
Lakeview Inn Hot Springs	Geothermal	Well	Producer	MRDS
Langdon Deposit	Manganese		Producer	MRDS
Little Maggie Mine	Gold		Producer	MRDS
Lost Horse Mine	Bismuth, Gold, Copper		Producer	MRDS
Maitri Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Maitri Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Master Sand Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Menifee Mine	Gold		Producer	MRDS
Midland Deposits	Gypsum-Anhydrite		Producer	MRDS
Morning Star Mine	Gold		Producer	MRDS
Motte Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Mountain Avenue Pit No. 1	Sand and Gravel, Construction	Surface	Producer	MRDS
Mountain Avenue Pit No. 2	Sand and Gravel, Construction	Surface	Producer	MRDS
Mountainer Mine	Copper		Producer	MRDS
Murrieta Hot Springs	Geothermal	Well	Producer	MRDS
Nammoth Mine	Gold		Producer	MRDS
Nason Street Pit	Granite		Producer	MRDS
New Eldorado Millsite	Gold	Processing Plant	Producer	MRDS
Nichols Magnesite Deposit	Magnesite		Producer	MRDS
Nichols Warm Spring	Geothermal	Well	Producer	MRDS
North East No. 1 Claim	Uranium		Producer	MRDS
Ormand Quarry	Granite		Producer	MRDS
Owens Claim	Gold		Producer	MRDS
P.j. Weisel, Industrial Sand	Silica		Producer	MRDS
Pacific Clay Borrow Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Packard Well	Geothermal	Well	Producer	MRDS
Palm Springs	Geothermal	Well	Producer	MRDS
Peeris Mine	Gold		Producer	MRDS
Percival Asbestos Mine	Asbestos		Producer	MRDS
Perris Asbestos Deposit	Asbestos		Producer	MRDS
Philadelphia Recycling Mine	Sand and Gravel, Construction	Surface	Producer	MRDS
Pinacate	Gold		Producer	MRDS
Pinon-Dale	Gold		Producer	MRDS
Pit	Granite		Producer	MRDS
Pit	Granite		Producer	MRDS
Pit	Granite		Producer	MRDS
Pit	Granite		Producer	MRDS
Pit	Granite		Producer	MRDS
Pit	Granite		Producer	MRDS
Prospect	Gold		Producer	MRDS
Rainbow Slate Group	Slate, Dimension		Producer	MRDS
Ram Group	Uranium		Producer	MRDS
Red Bluff Fluorspar Deposit	Fluorine-Fluorite		Producer	MRDS
River View Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Riverside Portland Cement Company	Feldspar		Producer	MRDS
Sanborn	Copper		Producer	MRDS
Santa Rosa Mountain Area	Tungsten		Producer	MRDS
Schindler Mine	Gemstone		Producer	MRDS
Sedco Pit	Stone, Crushed/Broken	Surface	Producer	MRDS
Smith Sand Pit	Silica	Surface	Producer	MRDS
Soboba Hot Springs	Geothermal	Well	Producer	MRDS
Sugar Loaf Pit	Granite		Producer	MRDS
Sycamore Mines	Semiprecious Gemstone		Producer	MRDS
Temecula Sand Company Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Temescal Canyon Silica Deposit	Silica		Producer	MRDS
Temescal Rock Quarry	Granite		Producer	MRDS
Temescal Tin Mine	Tin		Producer	MRDS
Thermal Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Thousand Palms Community Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Union Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Western States Stone Quarry	Limestone, General	Surface	Producer	MRDS
White Gypsum	Gypsum-Anhydrite		Producer	MRDS
#2 Portable	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
3m Corona Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
4 L's Prospect	Molybdenum	Underground	Prospect	MRDS
6 Mine	Kaolin	Surface	Past Producer	MRDS
966ab McCloskey	Construction Sand and Gravel	Surface	Intermittent	MSHA
967ab McCloskey	Construction Sand and Gravel	Surface	Intermittent	MSHA
Agate Occurrrence	Gemstone		Occurrence	MRDS
Agua Caliente Indian Land	Corundum		Occurrence	MRDS
Aguanga Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Aguanga Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Ajax Prospect	REE	Surface	Prospect	MRDS
Alberhill Coal & Clay Co	Clay		Past Producer	MRDS
Alberhill Coal & Clay Co.	Clay	Surface	Past Producer	MRDS
Alberhill Coal & Clay Co. Deposit	Clay	Surface	Past Producer	MRDS
Alberhill Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Alert Ranch	Feldspar		Occurrence	MRDS
Alice Claim	Gold		Occurrence	MRDS
Alice Mine	Gold	Underground	Past Producer	MRDS
Alice Mine	Gold	Underground	Past Producer	MRDS
Allen Placers	Gold	Placer	Unknown	MRDS
American Encaustic Tiling Co.	Feldspar	Surface	Past Producer	MRDS
American Flag Mine	Gold		Past Producer	MRDS
American Flag and Monarch Mines	Tin	Surface-Underground	Unknown	MRDS
Anaheim Group	Gold	Underground	Prospect	MRDS
Anderson			Occurrence	MRDS
Anderson Mine	Copper	Underground	Prospect	MRDS
Anita Louise	Feldspar		Occurrence	MRDS
Anita Mine	Semiprecious Gemstone	Surface-Underground	Past Producer	MRDS
Anna Bell Mine	Gold	Underground	Prospect	MRDS
Annie Rooney	Gold		Occurrence	MRDS
Ardanelle Claim	Gold	Surface-Underground	Prospect	MRDS
Arentz-Perkins	Manganese	Surface-Underground	Unknown	MRDS
Argonaut Group	Gold	Surface-Underground	Prospect	MRDS
Arica Mountains	Limestone, General	Surface	Past Producer	MRDS
Arlington Group of Mines		Surface-Underground	Past Producer	MRDS
Arlington No. 3 Claim	Manganese	Underground	Past Producer	MRDS
Arlington Tunnel	Gold	Underground	Prospect	MRDS
Arlington-Blackjack Mine		Surface-Underground	Past Producer	MRDS
Arnold Heights Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Arroyo Del Toro Prospects	Gold		Occurrence	MRDS
Assessment Pit	Gypsum-Anhydrite	Surface	Unknown	MRDS
Atlanta Mine	Gold	Surface-Underground	Prospect	MRDS
Atlas Pit	Clay	Surface	Past Producer	MRDS
Audrey Lynn	Gemstone	Surface-Underground	Past Producer	MRDS
Augustine Mine	Gold	Underground	Prospect	MRDS
Aurora No. 1 Mine	Uranium		Occurrence	MRDS
Aztec Claim	Tungsten	Underground	Prospect	MRDS
Aztec Mine	Copper		Occurrence	MRDS
Aztec Well Copper	Copper	Surface	Prospect	MRDS
Aztec and Rainbow Claims	Gold	Underground	Past Producer	MRDS
Baby Blue Prospect	REE	Surface	Prospect	MRDS
Baker Copper Co.	Copper		Occurrence	MRDS
Bald Eagle Mine	Lead	Underground	Past Producer	MRDS
Bankers Group of Mines	Gold		Occurrence	MRDS
Banning Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Barrel Tanks Placer	Gold	Placer	Past Producer	MRDS
Barth Deposit	Gypsum-Anhydrite	Surface	Past Producer	MRDS
Beal Mine	Gold	Surface-Underground	Prospect	MRDS
Beal-McClellan Property		Surface-Underground	Past Producer	MRDS
Beatty			Occurrence	MRDS
Beatty Claims	Tungsten		Occurrence	MRDS
Beaumont Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Beauty Mountain Claim	Tungsten		Occurrence	MRDS
Bedford Canyon Deposit	Clay	Surface	Past Producer	MRDS
Belt Mine	Copper	Underground	Past Producer	MRDS
Bendigo	Barium-Barite		Occurrence	MRDS
Berdoo Adit Aggregate	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bernasconi Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Bertha Group			Unknown	MRDS
Best Ranch Deposit	Limestone, General		Past Producer	MRDS
Best Ranch Deposit	Limestone, Dimension	Surface	Past Producer	MRDS
Bethel Mining & Leasing Co.	Gold	Underground	Unknown	MRDS
Biddle Pits	Kaolin	Surface	Past Producer	MRDS
Big Basin Copper Prospect	Copper	Surface-Underground	Prospect	MRDS
Big Bullet Manganese Claims	Manganese		Past Producer	MRDS
Big Cat Mine	Uranium		Occurrence	MRDS
Big Chief Deposit	Gypsum-Anhydrite	Surface-Underground	Past Producer	MRDS
Big Henry	Tungsten		Occurrence	MRDS
Big Horn Group			Occurrence	MRDS
Big Horn Group	Copper	Underground	Prospect	MRDS
Big Jim Prospect	Gold	Surface-Underground	Prospect	MRDS
Big Maria Claims	Thorium	Surface	Occurrence	MRDS
Big Maria Mountains Limestone Dep.	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Big Maria Mts. Sand and Gravel	Sand and Gravel, Construction		Unknown	MRDS
Big Maria Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Big-Bullett Manganese Claims		Surface	Past Producer	MRDS
Bill Rush Claims	Gold	Surface-Underground	Prospect	MRDS
Binkley's Diggings	Gold		Prospect	MRDS
Bio Gyp	Gypsum	Facility	Abandoned	MSHA
Bismuth	Gold		Occurrence	MRDS
Black Ace Mine		Surface-Underground	Past Producer	MRDS
Black Beauty	Manganese		Occurrence	MRDS
Black Bird Mine-East Group	Manganese	Surface-Underground	Prospect	MRDS
Black Butte Mine	Gold	Surface-Underground	Prospect	MRDS
Black Canyon			Unknown	MRDS
Black Dam			Unknown	MRDS
Black Diamond Claim	Gold		Occurrence	MRDS
Black Diamond Claim	Manganese	Surface	Prospect	MRDS
Black Eagle	Lead, Silver		Past Producer	MRDS
Black Eagle Mine	Lead, Silver		Past Producer	MRDS
Black Eagle Mine	Lead	Underground	Past Producer	MRDS
Black Eagle Placer	Gold	Placer	Unknown	MRDS
Black Eagle and Newport Manganese Mines	Manganese		Past Producer	MRDS
Black Giant	Iron		Occurrence	MRDS
Black Giant Deposit	Iron	Surface	Prospect	MRDS
Black Gold	Gold		Occurrence	MRDS
Black Horse Group	Manganese		Occurrence	MRDS
Black Ore Claim	Gold	Underground	Prospect	MRDS
Black Reef	Copper		Occurrence	MRDS
Black Rock Claim	Manganese		Prospect	MRDS
Black Rock Deposit	Tin		Occurrence	MRDS
Black Rock Deposit	Tin	Underground	Prospect	MRDS
Black Rock Deposit	Tin	Surface-Underground	Prospect	MRDS
Black Strike Claim	Manganese	Underground	Prospect	MRDS
Black Warrior	Gold		Occurrence	MRDS
Black Warrior Mine	Gold	Underground	Past Producer	MRDS
Blacker Bachelor Mtn. Iron Mine	Iron		Prospect	MRDS
Blackshock Claims	Silver	Surface	Occurrence	MRDS
Blarney Stone Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Blind Canyon Deposit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Blom Mine	Feldspar	Underground	Past Producer	MRDS
Bloom Claim	Sodium		Occurrence	MRDS
Blue Bell Consolidated	Copper	Underground	Prospect	MRDS
Blue Bird and Eagle	Tungsten		Occurrence	MRDS
Blue Boy & Black Mountain Groups	Tungsten	Surface-Underground	Past Producer	MRDS
Blue Boy and Black Mountain Group			Occurrence	MRDS
Blue Diamond and Eagle	Limestone, General		Occurrence	MRDS
Blue Goose	Gold	Surface	Past Producer	MRDS
Blue-Gray Granite Quarry	Granite	Surface	Past Producer	MRDS
Blythe Cement Claims Nos. 1-5	Limestone, Dimension		Occurrence	MRDS
Bonanza	Gold	Underground	Prospect	MRDS
Bonanza Crater Group	Gold		Occurrence	MRDS
Bonanza Lode	Gold	Underground	Prospect	MRDS
Bonanza/kim Claims	Uranium		Unknown	MRDS
Bonnie Limestone	Limestone, General		Unknown	MRDS
Borrow Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Boss Mine	Gold	Underground	Prospect	MRDS
Boulder Claim	Gold	Underground	Prospect	MRDS
Box Canyon Mine	Manganese		Occurrence	MRDS
Box Canyon Prospect			Unknown	MRDS
Box Springs Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Brady Prospect	Gold	Surface-Underground	Prospect	MRDS
Bray Mine	Manganese	Underground	Past Producer	MRDS
Brokar Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Brown Feldspar & Silica	Feldspar	Surface	Prospect	MRDS
Brown Mine	Gold		Past Producer	MRDS
Brown Mine	Lead	Underground	Prospect	MRDS
Brown Mine	Gold	Underground	Prospect	MRDS
Brown Mine North	Gold	Underground	Prospect	MRDS
Brown Silica Deposit	Silica		Occurrence	MRDS
Brown Silica Deposit	Silica	Surface	Past Producer	MRDS
Bryan Mine	Gold		Past Producer	MRDS
Bryan Mine	Gold	Underground	Past Producer	MRDS
Bundy-Murrieta Deposit	Feldspar	Underground	Prospect	MRDS
Butte Mine	Gold		Occurrence	MRDS
C and C Consolidated Mine	Gold	Underground	Prospect	MRDS
C.o.d. Mine	Gold	Surface-Underground	Past Producer	MRDS
Cabazon Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Cactus Group	Gold	Underground	Prospect	MRDS
Cactus Hill Mine	Copper	Underground	Prospect	MRDS
Cajalco Dumortierite Occurrence	Kyanite		Occurrence	MRDS
Cajalco Pit	Clay	Surface	Past Producer	MRDS
Cajalico Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Calzona Mine	Gold	Underground	Prospect	MRDS
Cameron Marble Co.	Limestone, General		Occurrence	MRDS
Cap Hunter Mine	Lead	Underground	Past Producer	MRDS
Caproni-Woock Groups	Uranium	Surface-Underground	Past Producer	MRDS
Captain Jinks Mine	Gold	Surface-Underground	Prospect	MRDS
Carbonate Blanket Group	Limestone, General		Occurrence	MRDS
Carlos Jr. Mine	Gold	Underground	Prospect	MRDS
Carolina 1, 2, 3, 4	Gold		Occurrence	MRDS
Casa Blanca Quarries	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Castro ? Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Catherine C. Mine	Asbestos	Underground	Past Producer	MRDS
Cathy Jean Mine	Gold	Underground	Unknown	MRDS
Champion Mine	Gold		Occurrence	MRDS
Chandler Aggregates Coldwater Pl	Construction Sand and Gravel	Surface	Abandoned	MSHA
Charleboix Asbestos	Asbestos		Past Producer	MRDS
Chief of the Hills Group	Tin		Occurrence	MRDS
Chief of the Hills Group	Tin	Underground	Prospect	MRDS
Chino Canyon Deposits	Limestone, General		Occurrence	MRDS
Chocolate Drop Deposit	Clay	Surface	Past Producer	MRDS
Chuckawalla Mine	Gold	Surface	Past Producer	MRDS
Chuckawalla Tungsten Mine	Tungsten		Past Producer	MRDS
Chuckwalla Spring Placers	Gold	Placer	Past Producer	MRDS
Clark and Losekamp Deposit			Occurrence	MRDS
Clark and Losekamp Prospect			Occurrence	MRDS
Coahuila Brave Mine	Feldspar	Surface	Past Producer	MRDS
Coahuila Mtn.	Kyanite		Occurrence	MRDS
Cocktail Prospect	Copper	Underground	Prospect	MRDS
Coffee Mine	Gold	Underground	Prospect	MRDS
Collins Prospect	Copper	Underground	Past Producer	MRDS
Colombo	Gold		Occurrence	MRDS
Colorado Claim	Gold		Occurrence	MRDS
Columbia Mine	Gemstone	Underground	Past Producer	MRDS
Comanchero Mine	Gold	Underground	Prospect	MRDS
Combination Prospect	Gold	Underground	Occurrence	MRDS
Combination Quartz Claim No. 1	Gold	Surface-Underground	Prospect	MRDS
Conduit Clay Placer	Clay		Prospect	MRDS
Conduit Clay Placer	Clay	Surface	Prospect	MRDS
Continental Mining & Develop. Co.	Copper		Occurrence	MRDS
Coplin Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Copper Giant Mine	Gold	Underground	Prospect	MRDS
Copper Occurrence	Copper		Occurrence	MRDS
Copper Point Mine	Copper	Underground	Prospect	MRDS
Copper Queen Mine	Copper	Underground	Past Producer	MRDS
Copper Star Claims	Gold	Surface	Prospect	MRDS
Corn Springs Placer	Gold	Placer	Unknown	MRDS
Corona Clay	Clay		Past Producer	MRDS
Corona Clay Pit	Clay	Surface	Past Producer	MRDS
Corona Lead-Zinc	Lead		Past Producer	MRDS
Corona Lead-Zinc Mine	Lead	Surface-Underground	Past Producer	MRDS
Corona Mine	Silica	Surface	Past Producer	MRDS
Corona Mine	Gold	Underground	Past Producer	MRDS
Corona Pa	Dimension Granite	Surface	Abandoned	MSHA
Corona Pacific Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Corona Pit	Stone	Surface	Past Producer	MRDS
Corona Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Corona Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Corona Placer	Clay		Past Producer	MRDS
Corona Placer	Clay	Surface	Past Producer	MRDS
Corona Quarry	Stone	Surface	Past Producer	MRDS
Corona Quarry	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Corona Rock	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Corona Rock Co	Sand and Gravel, Construction		Past Producer	MRDS
Corona Rock Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Coronita Ranch Sand Deposit	Silica		Prospect	MRDS
Cottonwood			Occurrence	MRDS
Cow Bell Mine	Gold	Surface-Underground	Prospect	MRDS
Coyote	Gold		Prospect	MRDS
Creek Deposit	Limestone, General		Past Producer	MRDS
Crescent Copper Group	Copper		Past Producer	MRDS
Crescent Copper Group	Gold	Surface-Underground	Prospect	MRDS
Crescent Deposit	Tungsten	Surface	Prospect	MRDS
Crestmore Mine	Limestone, General		Past Producer	MRDS
Crestmore Mine	Limestone, General	Underground	Past Producer	MRDS
Crestmore Quarry	Cement Rock	Processing Plant	Past Producer	MRDS
Crestmore Quarry	Cement	Facility	Abandoned	MSHA
Crown Prince	Gold		Occurrence	MRDS
Dale 3-X Brown Mine	Fluorine-Fluorite		Past Producer	MRDS
Dalton Mine	Gold	Underground	Prospect	MRDS
Dawson Canyon Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Dayton Trucking (Port)	Construction Sand and Gravel	Surface	Abandoned	MSHA
Dbl Claims	Uranium	Surface	Occurrence	MRDS
De Guerre Mines	Clay	Surface	Past Producer	MRDS
Decomposed Granite Occurrence	Stone, Crushed/Broken		Occurrence	MRDS
Decorative Stone Deposit	Stone, Dimension		Occurrence	MRDS
Delano Black Granite	Granite	Underground	Past Producer	MRDS
Dendrite Deposit	Stone, Dimension	Surface	Prospect	MRDS
Desert Center Claim	Gold, Silver		Past Producer	MRDS
Desert Center Mine	Lead	Underground	Past Producer	MRDS
Desert Gold Claims	Gold	Underground	Prospect	MRDS
Desert Hot Springs Ready Mix	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Desert King Mine	Gold	Underground	Prospect	MRDS
Desert Queen Mine	Gold	Surface-Underground	Past Producer	MRDS
Desert Rainbow Claims	Gold	Surface	Prospect	MRDS
Desert Rest	Gold		Occurrence	MRDS
Desert Sunset	Stone, Dimension	Surface	Past Producer	MRDS
Desert View Claim	REE	Surface	Prospect	MRDS
Dew Drop Prospect	Gold	Underground	Occurrence	MRDS
Diane Claim	Gold		Occurrence	MRDS
Dillon Road Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Dillon Road Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Dominguez Lease Pit	Clay	Surface	Past Producer	MRDS
Dominguez Pit	Kaolin	Surface	Past Producer	MRDS
Donna C	Tungsten		Occurrence	MRDS
Doran Manganese	Manganese		Unknown	MRDS
Doran Manganese Claims			Occurrence	MRDS
Dorthy Ann	Gold	Underground	Occurrence	MRDS
Dottie Welborn Claim	Gold	Underground	Prospect	MRDS
Double Eagle Claim	Gold		Occurrence	MRDS
Double Jack Claims	Gold	Underground	Prospect	MRDS
Douglas Pit	Fire Clay (Refractory)	Surface	Past Producer	MRDS
Dr. Musick Mine	Gold	Underground	Prospect	MRDS
Dumbell Nos. 1 and 2	Tungsten		Occurrence	MRDS
Dunn Asbestos Deposit	Asbestos		Past Producer	MRDS
Dunn Asbestos Deposit	Asbestos	Surface	Prospect	MRDS
Dunn Deposit	Feldspar		Occurrence	MRDS
Duplex Mine	Gold	Underground	Prospect	MRDS
Eagle Canyon Gypsum Deposit	Gypsum-Anhydrite	Surface-Underground	Past Producer	MRDS
Eagle Canyon Quarry	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Eagle Mountain Mine	Iron		Past Producer	MRDS
Eagle Mountain Mine and Plant	Iron	Surface	Past Producer	MRDS
Eagle Nest Copper Mine	Copper		Occurrence	MRDS
Eagle Nest Mine	Copper	Underground	Past Producer	MRDS
East Wide Canyon	Iron		Occurrence	MRDS
East Wide Canyon Iron-Titanium Dep	Iron		Occurrence	MRDS
Easy Pickins 1	Gold	Surface	Prospect	MRDS
Ebony Deposit	Manganese		Occurrence	MRDS
Echo Valley Mine	Gold	Underground	Past Producer	MRDS
Eden Hot Springs Deposit	Limestone, General		Occurrence	MRDS
Eden Hot Springs Deposit	Limestone, General		Past Producer	MRDS
Eden Hot Springs Deposit	Limestone, Dimension	Surface	Unknown	MRDS
Eden Hot Springs Limestone Deposit	Limestone, General		Past Producer	MRDS
El Cerrito Ranch	Gypsum-Anhydrite	Surface	Past Producer	MRDS
El Cerrito-Glen Ivy Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
El Dorado Mine	Gold	Underground	Past Producer	MRDS
El Sobrante	Clay		Occurrence	MRDS
Electric Copper and Gold			Occurrence	MRDS
Electric Copper and Gold Mine	Copper	Underground	Prospect	MRDS
Elki Claims	Gypsum-Anhydrite	Surface-Underground	Prospect	MRDS
Elsinore Joint Property	Clay		Occurrence	MRDS
Elsinore Manganese Deposits			Occurrence	MRDS
Elsinore Manganese Deposits	Manganese	Underground	Prospect	MRDS
Elton Mine	Gold	Underground	Prospect	MRDS
Emsco Pit	Clay		Past Producer	MRDS
Emsco Pit	Clay	Surface	Past Producer	MRDS
Ensley-Spaulding Deposit	Feldspar	Surface	Past Producer	MRDS
Ethel Mine	Gold		Occurrence	MRDS
Eureka Group	Gold	Underground	Prospect	MRDS
Eureka Mine	Gold	Underground	Prospect	MRDS
Evans Shafts	Clay	Underground	Prospect	MRDS
Fab-Tech 09	Construction Sand and Gravel	Surface	Abandoned	MSHA
Fab-Tech 17	Construction Sand and Gravel	Surface	Abandoned	MSHA
Fab-Tech 18	Construction Sand and Gravel	Surface	Abandoned	MSHA
Fan Hill Canyon Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Fano Mine	Gemstone		Occurrence	MRDS
Fano Mine	Gemstone	Surface-Underground	Past Producer	MRDS
Fargo Canyon Mine	Construction Sand and Gravel	Surface	Abandoned	MSHA
Fargo Canyon Talus Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Fiery Shamrock	Copper		Occurrence	MRDS
Figueroa Brothers Pit	Stone	Surface	Past Producer	MRDS
Findley Feldspar Placer	Clay		Past Producer	MRDS
Findley Feldspar Placer	Clay	Surface	Past Producer	MRDS
Findley Graphite Placer Mine	Clay	Surface	Prospect	MRDS
Findley Prospect	Clay		Prospect	MRDS
Findley Prospect	Clay	Surface	Prospect	MRDS
Fingal Deposit	Limestone, General		Occurrence	MRDS
Fire Clay Group	Clay		Past Producer	MRDS
Fire Clay Group	Clay	Surface-Underground	Past Producer	MRDS
Fish Mine	Gold	Underground	Prospect	MRDS
Flat Top Mtn. Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Fletcher Claim			Occurrence	MRDS
Fletcher Prospect	Molybdenum, Copper		Occurrence	MRDS
Fluor Spar Group			Occurrence	MRDS
Fluorspar Group	Fluorine-Fluorite	Surface	Past Producer	MRDS
Fluorspar Group of Mines	Fluorine-Fluorite		Occurrence	MRDS
Fontana Paving Co.	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Frank Hill Mine	Gold		Occurrence	MRDS
Frank Hill Mine	Gold	Underground	Past Producer	MRDS
Frazer Gypsum Deposit	Gypsum-Anhydrite		Past Producer	MRDS
Free Coinage & Charity Mines	Gold		Occurrence	MRDS
Freeman Clay	Clay	Surface	Prospect	MRDS
Galena No. 1	Copper		Occurrence	MRDS
Garbutt & Orcutt Deposit	Gypsum-Anhydrite		Past Producer	MRDS
Garnet Queen Mine	Tungsten	Surface-Underground	Past Producer	MRDS
Garnet Queen Tungsten Mine	Tungsten		Occurrence	MRDS
Garnet Queen Tungsten Mine	Tungsten		Past Producer	MRDS
Garnett Pit and Mill	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gavilan Hills	Gold	Placer	Past Producer	MRDS
Gavilan Mine	Gold	Underground	Past Producer	MRDS
George Claims	Manganese	Surface	Past Producer	MRDS
Giant Chief			Occurrence	MRDS
Gilbert A. Morris	Quartz		Prospect	MRDS
Gilson Prospects	Silver	Underground	Occurrence	MRDS
Gladding, Mc Bean & Co. Corona Pl.	Clay	Surface	Past Producer	MRDS