Mines in San Diego County, California

San Diego County, California has 1,079 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 220 of these are currently active mining operations. The most commonly recorded commodity is gold, with 287 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in San Diego County

Mine	Commodity	Type	Status	Source
Chula Vista Quarry	Construction Sand and Gravel	Surface	Active	MSHA
El Cajon Quarry	Crushed, Broken Granite	Surface	Active	MSHA
Jerry Brown	Dimension Granite	Surface	Active	MSHA
Lakeside - Vigilante Aggregates	Construction Sand and Gravel	Surface	Active	MSHA
Mission Gorge Plant	Construction Sand and Gravel	Surface	Active	MSHA
Oceanview Mine	Misc. Nonmetallic Mnls. NEC	Underground	Active	MSHA
Rosemary's Mountain Quarry	Iron Ore	Surface	Active	MSHA
Santee Aggregates	Crushed, Broken Stone NEC	Surface	Active	MSHA
Superior - Twin Oaks	Crushed, Broken Stone NEC	Surface	Active	MSHA
Turvey's Granite Pit	Construction Sand and Gravel	Surface	Active	MSHA
West Coast Rock and Sand	Construction Sand and Gravel	Surface	Active	MSHA
Acme Truck Co.pit #2	Granite		Producer	MRDS
Aguanga District	Tungsten		Producer	MRDS
Allen Borrow Pit	Stone, Crushed/Broken	Surface	Producer	MRDS
American Mable & Granite Works	Granite		Producer	MRDS
Atchison	Granite		Producer	MRDS
Banner Horseshore Prospect	Gold		Producer	MRDS
Bear Deposit	Feldspar		Producer	MRDS
Beebe Hole Mine		Surface-Underground	Producer	MRDS
Black Eagle Mine	Gold		Producer	MRDS
Blue Bell Deposit	Gemstone		Producer	MRDS
Bly Stone Co	Stone		Producer	MRDS
Bly Stone Co. Quarry	Granite		Producer	MRDS
Borrego Springs	Geothermal	Well	Producer	MRDS
Boulder Creek Group	Gold		Producer	MRDS
Bour Mine	Molybdenum		Producer	MRDS
Buckthorn Deposit	Feldspar		Producer	MRDS
Burnand Borrow Pit	Granite	Surface	Producer	MRDS
C B Grove Deposit--Pit #1	Granite		Producer	MRDS
C.b.grove Pit #2	Granite		Producer	MRDS
Calif Wire Sawyer Corp.	Granite		Producer	MRDS
Cameron Corners Pit	Stone, Crushed/Broken	Surface	Producer	MRDS
Cameron and Deering	Granite		Producer	MRDS
Canyon Rock Co.plant and Quarry	Stone		Producer	MRDS
Carmean Quarry	Stone		Producer	MRDS
Carson Ranch Placer Claim	Gold		Producer	MRDS
Chieftan Mine	Gold		Producer	MRDS
Cincinnati Belle Mine	Gold		Producer	MRDS
Clark Mine	Quartz, Gemstone		Producer	MRDS
Cleveland-Pacific Mine	Gold, Silver		Producer	MRDS
Coast Sand Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Coleman Creek Placer Deposits	Gold		Producer	MRDS
Coston Const Co.	Granite		Producer	MRDS
Crescent Mine	Gold		Producer	MRDS
Crystal Gem Mine	Gemstone		Producer	MRDS
Crystal Silica Company	Silica		Producer	MRDS
D G Bryant Quarry	Granite		Producer	MRDS
Dave Martin Prospect Pit	Granite		Producer	MRDS
Decomposed Granite Pit	Granite		Producer	MRDS
Descanso Mine	Gold, Silver		Producer	MRDS
Donohoe Mine	Gold		Producer	MRDS
E.e.cowdrey Pit	Granite		Producer	MRDS
Eagle Mine	Gold		Producer	MRDS
Eagle Nest Mine	Gold, Silver		Producer	MRDS
El Granito Mineral Springs	Geothermal	Geothermal	Producer	MRDS
Elevada & Aguajito Group	Gold		Producer	MRDS
Ella Mine	Gold		Producer	MRDS
Empire Apex Claim	Gold		Producer	MRDS
Escondido Quarries, Inc.	Granite		Producer	MRDS
Escondido Rock and Sand Co	Granite		Producer	MRDS
Felden Deposit	Tungsten		Producer	MRDS
Fellows and Clutter Quarry	Granite		Producer	MRDS
Fletcher Quarries	Stone		Producer	MRDS
Foster Quarry	Stone		Producer	MRDS
Frank A.salmons Claim Green Cabin	Gemstone		Producer	MRDS
Galbrath Quarry	Granite		Producer	MRDS
Gem Starloughbaughmine	Gemstone		Producer	MRDS
Gibson Deposit	Quartz		Producer	MRDS
Gold Bellar # 1 & 4 Claims	Gold		Producer	MRDS
Gold Cross Group	Gold		Producer	MRDS
Gold King Group	Gold		Producer	MRDS
Golden Chariot	Gold		Producer	MRDS
Golden Co.inc.	Stone		Producer	MRDS
Golden Gem Group	Gold		Producer	MRDS
Golden Sugar Mine	Gold		Producer	MRDS
Granite Mountain Mine	Gold		Producer	MRDS
Grapevine Star Mine	Gold		Producer	MRDS
Greenstone Quarry	Stone		Producer	MRDS
Harder Ranch Mine	Gold		Producer	MRDS
Harris Deposit	Aluminum		Producer	MRDS
Hatfield Creek Quarry	Stone		Producer	MRDS
Helvetia Mine	Gold		Producer	MRDS
Hesters Granite Pit	Granite		Producer	MRDS
Hidden Treasure	Gold		Producer	MRDS
High Peak Mine	Gold		Producer	MRDS
Hillside Materials Deposit	Granite		Producer	MRDS
Hillside Mine	Gold		Producer	MRDS
Hilton Deposit	Calcium		Producer	MRDS
Homestake Claim	Gold		Producer	MRDS
Homestore Prospect	Gemstone		Producer	MRDS
Hoover Lakeside,tunner	Gemstone		Producer	MRDS
Hoover Lakeside,tunner Deposit	Feldspar		Producer	MRDS
Hubble Weaverdeposit	Stone		Producer	MRDS
Independent Stone Co Quarry	Stone		Producer	MRDS
Jacumba Hot Springs	Geothermal	Geothermal	Producer	MRDS
Jamul Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
John Knox Deposit	Granite		Producer	MRDS
John Stridsbery Quarries	Granite		Producer	MRDS
Julian	Gold		Producer	MRDS
Jumper Mine Hussayhamda	Gold		Producer	MRDS
Kentuck South	Gold		Producer	MRDS
Kentucky S Group	Gold		Producer	MRDS
Keystone Pilot	Gold		Producer	MRDS
La Posta Sand Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Last Chance Mine	Gold		Producer	MRDS
Lookout Group	Gold		Producer	MRDS
Lookout Project	Gemstone		Producer	MRDS
Lowrey Deposit	Quartz		Producer	MRDS
Lucky Chuck Mine	Gold		Producer	MRDS
Lucky Strike Mine	Gold		Producer	MRDS
Mack Mine	Gemstone		Producer	MRDS
Madden Group	Gold		Producer	MRDS
Majestic Group	Gold		Producer	MRDS
Marrow Quarry	Stone		Producer	MRDS
McKoon Quarry	Granite		Producer	MRDS
McCain Borrow Pit #790	Granite	Surface	Producer	MRDS
McGee Quarry	Stone		Producer	MRDS
McGinty Mtn Deposit Dehesa Cornty	Feldspar		Producer	MRDS
McGrath Dg Pit No. 2	Stone, Crushed/Broken	Surface	Producer	MRDS
McGrath Pit #2	Granite		Producer	MRDS
McGuffie Foundation Deposit	Stone, Crushed/Broken		Producer	MRDS
Melba Group	Gold		Producer	MRDS
Meyer Granite Quarries	Granite		Producer	MRDS
Mine	Gold		Producer	MRDS
Mission Gorge Quarry	Dolomite	Surface	Producer	MRDS
Mission Mine	Gemstone		Producer	MRDS
Montana Group	Gold		Producer	MRDS
Monte Vista Pit	Granite	Surface	Producer	MRDS
Montezuma Group Mine	Gold		Producer	MRDS
Moore Deposit	Feldspar		Producer	MRDS
Moore Pit	Granite	Surface	Producer	MRDS
Moore Quarry Charles G.	Granite		Producer	MRDS
Moretti Pit	Stone, Crushed/Broken	Surface	Producer	MRDS
Murray Canyon Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
National,quarriesjohnson Brothers	Granite		Producer	MRDS
North Star Group	Gold		Producer	MRDS
North Star Mine	Gold		Producer	MRDS
North Star Mines	Gemstone		Producer	MRDS
Olive Street Pit	Granite	Surface	Producer	MRDS
Oreiflamme Mine	Gold		Producer	MRDS
Oro Fino El Diablo Mine	Gold		Producer	MRDS
Owens Old Owensmine	Gold		Producer	MRDS
Pacific Mine Campo	Feldspar		Producer	MRDS
Packrat Mine		Surface-Underground	Producer	MRDS
Padlock Claim	Gold		Producer	MRDS
Pala Chief Group	Gemstone		Producer	MRDS
Pala District	Niobium (Columbium), Gemstone, Tantalum, Beryllium, Lithium		Producer	MRDS
Pala Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Parsonsorange Blossommine	Gold		Producer	MRDS
Pearson Deposit	Feldspar		Producer	MRDS
Pete Matson Quarry	Granite		Producer	MRDS
Phillips Mine Chase Ranch	Gold		Producer	MRDS
Pioneer Mine	Talc-Soapstone		Producer	MRDS
Pit	Granite		Producer	MRDS
Pomona Granite Co.quarries	Granite		Producer	MRDS
Ponto Beach Deposit Abizaid	Stone, Crushed/Broken		Producer	MRDS
Poway Pit	Granite		Producer	MRDS
Pride of the West Mine	Gold		Producer	MRDS
Ranchito Mine	Gold		Producer	MRDS
Ready Relief	Gold		Producer	MRDS
Red Rose Quarry	Quartz		Producer	MRDS
Redman	Gold		Producer	MRDS
Richardson Pit	Granite	Surface	Producer	MRDS
Rincon Pegmatite District	Gemstone, Niobium (Columbium), Beryllium, Tantalum		Producer	MRDS
Risley Burroughs Deposit	Quartz		Producer	MRDS
Roberts and Peelerpeeler & Roberts	Strontium		Producer	MRDS
Rose Quartz Group	Gold		Producer	MRDS
Rose Quartz Mine	Gold, Silver		Producer	MRDS
Ruby Claim	Gold		Producer	MRDS
Ruby Group	Beryllium		Producer	MRDS
San Diego Cement Co.operation	Granite		Producer	MRDS
San Diego Stone Co.quarry	Stone		Producer	MRDS
San Felipe Mine	Gold		Producer	MRDS
San Marcos Pit	Granite		Producer	MRDS
San Marcos Quarry	Sand and Gravel, Construction	Surface	Producer	MRDS
San Pasqual Pit	Granite		Producer	MRDS
San Pedro Mine	Semiprecious Gemstone		Producer	MRDS
Schley Group	Gold		Producer	MRDS
Shenandoah Mine	Gold		Producer	MRDS
Simpson Pirnie Granite Co.	Granite		Producer	MRDS
South Hubbard	Gold		Producer	MRDS
Southern Calif Granite Co Quarryro	Granite		Producer	MRDS
Spanish Bayonet Deposit	Feldspar		Producer	MRDS
Spar King Deposit	Feldspar		Producer	MRDS
Stewart & Other Mines	Lithium, Bismuth		Producer	MRDS
Stewart Pegmatite	Niobium (Columbium), Tantalum, Lithium		Producer	MRDS
Stoddard Borrow Pit	Stone, Crushed/Broken	Surface	Producer	MRDS
Stone Quarry	Stone		Producer	MRDS
Stoner Prospect	Gold		Producer	MRDS
Stonewall Jackson	Gold		Producer	MRDS
Summit and Summit Extension	Gold		Producer	MRDS
Ted Lee Deposit	Granite		Producer	MRDS
Telluride Group Triluride	Gold		Producer	MRDS
Texas Quarries	Granite		Producer	MRDS
The Noble Mines	Gold		Producer	MRDS
Tom Scott Mine	Gold		Producer	MRDS
Tourmaline King Pegmatite	Tantalum, Lithium, Gemstone		Producer	MRDS
Tres Amigos Mine	Gold		Producer	MRDS
Undetermined Prospect	Gold		Producer	MRDS
Valley Center Borrow Pit	Granite	Surface	Producer	MRDS
Van Deventer Quarry	Granite		Producer	MRDS
Van Wert Van Wirt Mine	Gold		Producer	MRDS
Vanderburg - Katerina Pegmatite	Niobium (Columbium), Tantalum, Lithium, Gemstone		Producer	MRDS
Verruga Deposit	Stone		Producer	MRDS
Victor Mine	Gemstone		Producer	MRDS
Viejas Mtn Prospect	Gold		Producer	MRDS
Vista Black Granite Quarry	Granite		Producer	MRDS
W H Peters Deposit	Granite		Producer	MRDS
Walker Deposit	Quartz		Producer	MRDS
Ward and Williams Deposit	Feldspar		Producer	MRDS
Warlock Group	Gold		Producer	MRDS
Warner Borrow Pit	Granite	Surface	Producer	MRDS
Warners Hot Springs	Geothermal	Geothermal	Producer	MRDS
Washington Mine	Gold		Producer	MRDS
Waterman Granit Co Quarry	Granite		Producer	MRDS
Weaver Deposit	Stone		Producer	MRDS
White Butte Deposit	Quartz		Producer	MRDS
White Queen	Semiprecious Gemstone		Producer	MRDS
Woodward Sand Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
You Bet Group	Gold		Producer	MRDS
A. B. C. Mine	Semiprecious Gemstone	Surface-Underground	Past Producer	MRDS
A.m.e. Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Abbie Group	Gold		Occurrence	MRDS
Able Mine	Gold		Prospect	MRDS
Acme Truck Co. Pit No. 1	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Acme Truck Co., Pit No. 2	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Aftermath Claim	Gold		Prospect	MRDS
Ajax Deposit	Stone, Crushed/Broken	Surface	Prospect	MRDS
Allanite Prospect	Uranium	Surface-Underground	Prospect	MRDS
Allied Granite Quarry	Granite	Surface	Past Producer	MRDS
American Girl			Occurrence	MRDS
American Marble and Granite Works	Granite	Surface	Past Producer	MRDS
American Queen	Copper		Occurrence	MRDS
American Sand Co.	Sand and Gravel, Construction		Past Producer	MRDS
American Sand Co.	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Anchor Prospect	Gold	Surface	Prospect	MRDS
Andes Mine	Tin		Occurrence	MRDS
Andes Prospect	Gold	Underground	Prospect	MRDS
April Fool	Gold		Occurrence	MRDS
Asper	Gold	Underground	Prospect	MRDS
Atkison Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Atomic Flat Group	Uranium	Surface	Prospect	MRDS
Ballena Placer Deposits	Gold	Placer	Past Producer	MRDS
Banner Creek Placer Deposits	Gold	Placer	Occurrence	MRDS
Banner Horseshoe Prospect	Gold	Underground	Prospect	MRDS
Banner Queen Prospect	Gold	Underground	Prospect	MRDS
Barbara Worth Group	Gold	Underground	Prospect	MRDS
Barber Mountain Mine	Gold	Underground	Prospect	MRDS
Bartling & Nelson Deposit	Tungsten		Occurrence	MRDS
Bartling and Nelson Deposit			Occurrence	MRDS
Bear Deposit	Feldspar	Surface	Prospect	MRDS
Beehive			Occurrence	MRDS
Beeler Canyon Sand and Gravel Co.	Sand and Gravel, Construction		Past Producer	MRDS
Beeler Canyon Sand and Gravel Co.	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Ben Hur Mine	Silver	Underground	Past Producer	MRDS
Benson Dry Lake	Boron-Borates		Occurrence	MRDS
Best Yet Deposit			Occurrence	MRDS
Best Yet Deposit	Tungsten	Underground	Prospect	MRDS
Beyer Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Beyer Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Big Buck Prospect	Lithium		Occurrence	MRDS
Big Slope Prospect	Gemstone		Occurrence	MRDS
Bill Hills Prospect	Gold	Underground	Prospect	MRDS
Birch Pit	Sand and Gravel, Construction	Surface	Unknown	MRDS
Bird Rock Deposit	REE	Surface	Prospect	MRDS
Black Canyon Deposit	Feldspar	Surface	Past Producer	MRDS
Black Eagle Mine	Gold	Surface-Underground	Past Producer	MRDS
Black Hawk Group	Gold		Occurrence	MRDS
Black Mountain Group	Arsenic	Surface-Underground	Past Producer	MRDS
Blackstone Prospect			Occurrence	MRDS
Blackstone Prospect	Tungsten		Prospect	MRDS
Blanket Prospects	Gemstone		Occurrence	MRDS
Bloodstone Mine	Gold	Underground	Prospect	MRDS
Blue Bell Deposit	Tin	Surface-Underground	Past Producer	MRDS
Blue Bird	Gold		Occurrence	MRDS
Bly Stone Co. Quarry	Granite	Surface	Past Producer	MRDS
Bonanza Claim	Iron		Occurrence	MRDS
Bonsall Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Border Highlands Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Border Highlands Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Border Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Border View Mine	Gold	Surface	Prospect	MRDS
Borrego Springs Claim	Stone, Crushed/Broken		Occurrence	MRDS
Borrow Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Borrow Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Borrow Pits	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Boulder Creek Group	Gold	Underground	Past Producer	MRDS
Bour			Occurrence	MRDS
Bour Deposit	Molybdenum		Prospect	MRDS
Bradburry Prospect	Lead	Underground	Prospect	MRDS
Bray Lode	Gemstone	Surface	Prospect	MRDS
Brier Claim	Gold		Occurrence	MRDS
Brown Group	Gold	Surface	Prospect	MRDS
Brown Trucking Dg Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Bryant, D. G., San Marcos	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Buckthorn Deposit	Feldspar	Surface-Underground	Past Producer	MRDS
Bullard Prospect	Graphite		Occurrence	MRDS
Butte No. 2 Prospect	Gold		Occurrence	MRDS
Butte Prospect	Gold		Occurrence	MRDS
Butterfly Prospect	Gemstone		Occurrence	MRDS
C B Grove Deposit--Pit No. 1	Stone, Crushed/Broken	Surface	Past Producer	MRDS
C. B. Grove Pit No. 2	Stone, Crushed/Broken	Surface	Past Producer	MRDS
C. B. Mine	Gold	Surface-Underground	Prospect	MRDS
Carmelita Mine	Gemstones	Underground	Abandoned	MSHA
Chula Vista Processing	Construction Sand and Gravel	Surface	Abandoned	MSHA
Cable	Semiprecious Gemstone		Past Producer	MRDS
Calac Prospect	Gemstone	Surface	Past Producer	MRDS
Calavera Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Calif Wire Sawyer Corp.	Stone, Crushed/Broken	Processing Plant	Past Producer	MRDS
California Mine	Crushed, Broken Stone NEC	Underground	Abandoned	MSHA
California Salt Co.	Salt	Brine Operation	Past Producer	MRDS
Caltrans Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Cameron-Deering Quarries	Granite	Surface	Past Producer	MRDS
Camp Pendleton Quarry	Sand and Gravel, Construction		Past Producer	MRDS
Camp Pendleton Quarry	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Campo	Molybdenum		Occurrence	MRDS
Campo	Iron		Occurrence	MRDS
Campo			Occurrence	MRDS
Campo Materials Company	Sand, Common	Surface	Abandoned	MSHA
Campo Milling Corp.	Sand and Gravel, Construction		Past Producer	MRDS
Campo Milling Corp.	Stone, Crushed/Broken	Processing Plant	Past Producer	MRDS
Campo Molybdenum Deposit	Molybdenum	Underground	Prospect	MRDS
Canyon Rock Co. Plant and Quarry	Sand and Gravel, Construction, Stone, Crushed/Broken	Surface	Past Producer	MRDS
Carlsbad Deposit	Feldspar	Surface	Prospect	MRDS
Carlsbad Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Carlsbad Rock and Sand Co.	Sand and Gravel, Construction		Past Producer	MRDS
Carlsbad Rock and Sand Co.	Sand and Gravel, Construction, Stone, Crushed/Broken	Surface	Past Producer	MRDS
Carmean Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Carmelita Claim	Gold	Surface	Prospect	MRDS
Carrizo Canyon Deposit			Occurrence	MRDS
Carrizo Canyon Deposit	Tungsten	Underground	Prospect	MRDS
Carrizo Creek Deposit	Gypsum-Anhydrite		Occurrence	MRDS
Carrizo Gorge Deposit	Wollastonite		Occurrence	MRDS
Carrol Canyon Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Carroll Canyon Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Carroll Canyon Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Carroll Canyon Rock Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Carson Ranch Placer Claim	Gold	Placer	Past Producer	MRDS
Cash Entry Group	Gold		Occurrence	MRDS
Casseopia	Tungsten	Surface	Unknown	MRDS
Cassiterite Placer Claim	Tin	Placer	Past Producer	MRDS
Cedar Creek Mine	Lead	Surface	Prospect	MRDS
Challenger Prospect	Gold		Occurrence	MRDS
Charles G. Moore Quarry	Granite	Surface	Past Producer	MRDS
Charley K. Prospect	Gold		Occurrence	MRDS
Chieftan Mine	Gold	Underground	Past Producer	MRDS
Chollas Valley Salt Co.	Salt	Brine Operation	Past Producer	MRDS
Chula Vista Evaporators	Salt	Brine Operation	Past Producer	MRDS
Cimmarron Prospect	Gold		Occurrence	MRDS
Cincinnati Belle Mine	Gold	Underground	Past Producer	MRDS
Circle Group Deposit	Vermiculite	Surface	Past Producer	MRDS
Clark Extension Prospect	Semiprecious Gemstone	Surface	Past Producer	MRDS
Clark Lake	Boron-Borates		Occurrence	MRDS
Clark Lake Deposits	Silica		Occurrence	MRDS
Clark Mine	Gold		Prospect	MRDS
Clark Mine	Copper	Surface	Prospect	MRDS
Clark Mine	Gemstone	Surface	Past Producer	MRDS
Clark Prospect			Occurrence	MRDS
Clark Prospect			Occurrence	MRDS
Clark Prospect		Surface	Prospect	MRDS
Clay Prospect	Clay		Prospect	MRDS
Clemens Granite Co. Quarry	Granite	Surface	Past Producer	MRDS
Cleveland-Pacific Mine	Gold	Underground	Past Producer	MRDS
Cliff Prospects	Gemstone	Surface	Prospect	MRDS
Clifton Mine	Gold	Surface-Underground	Prospect	MRDS
Clover Flat Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Coarse Gold Prospect	Gold	Underground	Prospect	MRDS
Coleman Creek Placer Deposits	Gold	Placer	Past Producer	MRDS
Companion No. 1 Deposit	Iron	Underground	Prospect	MRDS
Conrock Company Lakeside Plant	Sand and Gravel, Construction		Past Producer	MRDS
Consolidated Placer Mining Claim	Gypsum-Anhydrite		Occurrence	MRDS
Continental Granite Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Copper Brick Deposit	Copper		Occurrence	MRDS
Coston Construction Co.	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Cota Mine	Semiprecious Gemstone	Surface	Past Producer	MRDS
Cottonwood Creek Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Cottonwood Golf Course Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Cowdrey E. E.	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Coyote Mountain Deposit	Limestone, Dimension		Prospect	MRDS
Cravath Mine	Gold	Underground	Prospect	MRDS
Crescent Mine	Gold	Underground	Occurrence	MRDS
Crestline and Gem Spar Claims	Feldspar		Prospect	MRDS
Crown Point Mine	Tungsten		Past Producer	MRDS
Crown Point Mine	Tungsten	Underground	Past Producer	MRDS
Cryo Genie Mine	Gemstones	Surface	Abandoned	MSHA
Crystal Gem Mine	Semiprecious Gemstone	Surface	Prospect	MRDS
Crystal King Prospects	Gemstone		Occurrence	MRDS
Crystal Silica Company	Silica	Surface	Past Producer	MRDS
Cuyamaca	Silica	Surface	Occurrence	MRDS
Dairymart Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Daley	Copper		Past Producer	MRDS
Daley Mine	Copper	Underground	Past Producer	MRDS
Dark Horse Group	Gold		Occurrence	MRDS
Dave Martin Pro. Gravel	Granite		Unknown	MRDS
Dave Martin Prospect Pit	Stone, Crushed/Broken	Surface	Unknown	MRDS
Decker Prospect	Gold	Underground	Prospect	MRDS
Decomposed Granite Pit	Granite	Surface	Past Producer	MRDS
Deer Park Deposit	Limestone, Dimension	Surface	Past Producer	MRDS
Deer Park Group	Gold		Occurrence	MRDS
Defiance and Newdeal Claims	Gold		Occurrence	MRDS
Dehesa Deposit	Stone, Dimension		Occurrence	MRDS
Dehesa Dumortierite Deposit	Kyanite	Surface-Underground	Prospect	MRDS
Dehesa Operation	Sand and Gravel, Construction		Past Producer	MRDS
Dehesa Operation	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Del Monte Prospect			Occurrence	MRDS
Del Monte Prospect			Occurrence	MRDS
Descanso Mine	Gold	Underground	Past Producer	MRDS
Descanso Quarry	Quartz	Surface	Past Producer	MRDS
Desert Queen Group	Gold		Occurrence	MRDS
Desert Queen Prospect	Manganese		Occurrence	MRDS
Desert Star Mining Co	Tungsten	Processing Plant	Past Producer	MRDS
Desert Star Mining Co.			Occurrence	MRDS
Dewey Mine			Occurrence	MRDS
Dg Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Donohoe Mine	Gold	Surface	Past Producer	MRDS
Doolittle Group	Gold	Underground	Prospect	MRDS
Dorothy and Pearl Claims	Clay	Surface-Underground	Past Producer	MRDS
Dos Cabezas Mine	Gemstone		Prospect	MRDS
Dos Cabezas Prospects	Feldspar	Surface	Prospect	MRDS
Dulzura Deposit	Stone, Dimension		Occurrence	MRDS
Dyche Valley Mine	Tungsten		Past Producer	MRDS
Dyche Valley Mine	Tungsten	Underground	Past Producer	MRDS
East County Sand Mine	Sand, Common	Surface	Abandoned	MSHA
Eagle Mine	Gold	Underground	Past Producer	MRDS
Eagle Nest Mine	Gold	Underground	Past Producer	MRDS
Easy Group	Tungsten		Past Producer	MRDS
Easy Group	Tungsten	Surface	Past Producer	MRDS
Echo Mine	Molybdenum		Occurrence	MRDS
El Cajon Kaolin Deposit	Clay	Surface-Underground	Past Producer	MRDS
El Cajon Sand and Gravel Co.	Sand and Gravel, Construction		Past Producer	MRDS
El Cajon Sand and Gravel Co.	Sand and Gravel, Construction	Surface	Past Producer	MRDS
El Capitan Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
El Dorado Claim	Gold		Past Producer	MRDS
El Monte Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
El Monte Sand Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Elder Canyon Deposits	Semiprecious Gemstone	Surface	Past Producer	MRDS
Elevada and Aguajito Group	Gold	Underground	Past Producer	MRDS
Elk and Landslide Deposit	Gold		Prospect	MRDS
Ella Mine Group	Gold	Underground	Past Producer	MRDS
Empire Claim	Gold	Underground	Prospect	MRDS
Encinitas	Copper		Past Producer	MRDS
Encinitas Mine	Copper	Underground	Past Producer	MRDS
Engineer's Springs	Manganese		Occurrence	MRDS
Ennis Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Enniss Lakeside Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Escondido Quarries, Inc.	Granite	Surface	Past Producer	MRDS
Escondido Sand and Gravel Works	Sand and Gravel, Construction	Processing Plant	Past Producer	MRDS
Esmeralda Mine	Gemstone	Surface-Underground	Past Producer	MRDS
Esmeralda Mine	Gemstones	Underground	Abandoned	MSHA
Ester Group	Gold		Occurrence	MRDS
Evans Point Deposit	Stone	Surface	Past Producer	MRDS
Expansion Group	Gold		Prospect	MRDS
Fanning	Silica	Surface	Prospect	MRDS
Faubus Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Featherstone Deposit	Silica		Occurrence	MRDS
Fee Claim	Gold		Occurrence	MRDS
Felden Deposit	Tungsten	Surface	Prospect	MRDS
Fellows and Clutter Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Fenton Material Deposit	Sand and Gravel, Construction		Past Producer	MRDS
Fernbrook			Occurrence	MRDS
Fernbrook Deposit	Molybdenum	Surface	Prospect	MRDS
Fletcher Deposit	Uranium	Surface	Prospect	MRDS
Fletcher Quarries	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Foster Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Foster Quarry	Granite	Surface	Past Producer	MRDS
Four-Gee Deposits	Aluminum	Surface	Past Producer	MRDS
Fraction Claim	Gemstone	Surface	Prospect	MRDS
Frances Group	Gold	Underground	Prospect	MRDS
Francis Claim	Gemstone		Occurrence	MRDS
Freeman Mine	Gemstone		Occurrence	MRDS
French Pete	Semiprecious Gemstone	Surface-Underground	Past Producer	MRDS
Friars Road Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Friday Copper Co Claim	Cobalt		Prospect	MRDS
Friday Deposit	Nickel	Underground	Prospect	MRDS
Friday Mine	Copper, Nickel, Cobalt		Occurrence	MRDS
Galbrath Quarry	Granite	Surface	Past Producer	MRDS
Gem Star Mine	Gemstone	Surface-Underground	Past Producer	MRDS
Geneva Mine	Gold	Underground	Prospect	MRDS
Genger Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Gibson Deposit	Silica	Surface-Underground	Past Producer	MRDS
Gilson Prospect	Copper	Underground	Prospect	MRDS
Gladding McBean & Co. Mine	Clay	Surface	Past Producer	MRDS
Gold Chief Claim	Gold	Placer	Past Producer	MRDS
Gold Cross Group	Gold	Underground	Past Producer	MRDS
Gold Crown Group	Gold	Underground	Prospect	MRDS
Gold Dollar Nos. 1 and 4 Claims	Gold	Underground	Occurrence	MRDS
Gold King Deposit	Gold		Occurrence	MRDS
Gold King Group	Gold	Underground	Past Producer	MRDS
Gold Luck Prospect	Gold		Occurrence	MRDS
Gold Standard Group	Gold	Underground	Past Producer	MRDS
Gold Standard Prospect	Gold		Occurrence	MRDS
Golden Chariot Mine	Gold	Underground	Past Producer	MRDS
Golden Co. Inc.	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Golden Crescent Mine	Gold		Occurrence	MRDS
Golden Crown Claim	Gold		Occurrence	MRDS
Golden Duke Group	Gold	Surface-Underground	Prospect	MRDS
Golden Eagle Mine	Gold		Unknown	MRDS
Golden Ella Prospect	Gold	Underground	Prospect	MRDS
Golden Gem Group	Gold	Underground	Past Producer	MRDS
Golden Harp Prospect	Gold		Occurrence	MRDS