Mines in Imperial County, California

Imperial County, California has 608 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 94 of these are currently active mining operations. The most commonly recorded commodity is gold, with 160 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Imperial County

Mine	Commodity	Type	Status	Source
Api Pit	Construction Sand and Gravel	Surface	Active	MSHA
Ammex Site	Construction Sand and Gravel	Surface	Active	MSHA
Crushing Screening	Construction Sand and Gravel	Surface	Active	MSHA
Frink	Construction Sand and Gravel	Surface	Active	MSHA
Imperial Valley Aggregates	Construction Sand and Gravel	Surface	Active	MSHA
Mesquite	Gold Ore	Surface	Active	MSHA
Plaster City Quarry	Gypsum	Surface	Active	MSHA
Aggregate Products Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
All American Aggregates Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
All American Pit No. 2	Sand and Gravel, Construction	Surface	Producer	MRDS
American Girl Mine	Copper, Silver, Gold		Producer	MRDS
Anson Prospect	Manganese		Producer	MRDS
B.l.m. No. 1	Sand and Gravel, Construction	Surface	Producer	MRDS
Beachline Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Big Bear and Little Bear Mine	Gold		Producer	MRDS
Black Widow Mine	Manganese		Producer	MRDS
Blossom Mine	Gold		Producer	MRDS
Bolsa Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Boyd Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Butterfly Group of Mines	Gold		Producer	MRDS
Cal-Min-Co	Clay		Producer	MRDS
Cargo Muchacho	Gold		Producer	MRDS
Chocolate Drop Group	Manganese		Producer	MRDS
City Pit #2	Sand and Gravel, Construction	Surface	Producer	MRDS
Cowan Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Coyote Materials Site	Sand and Gravel, Construction	Surface	Producer	MRDS
Coyote Mtn Gypsum & S	Sulfur, Gypsum-Anhydrite		Producer	MRDS
Desert Gravel Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Desert Gravel Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Drifted Snow	Mica		Producer	MRDS
East Highline Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
East Highline Pit No. 1	Sand and Gravel, Construction	Surface	Producer	MRDS
Elms Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Fish Creek Mountain Mine	Gypsum-Anhydrite	Surface	Producer	MRDS
Flowing Wells Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Frink Canal Material Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Frink Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Frink Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Frink Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Glamis Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Glamis Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Gypsum King Placer	Gypsum-Anhydrite		Producer	MRDS
Hastings Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hazard Fish Springs Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hebbard Clay	Clay	Surface	Producer	MRDS
Highland Canal Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Highline Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Highline Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Highline Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Highline Sand Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Holtville Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Imperial County Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Imperial Pit No. 5	Sand and Gravel, Construction	Surface	Producer	MRDS
J.b. Nelson-North Plant	Sand and Gravel, Construction		Producer	MRDS
J.b. Nelson-South Plant	Sand and Gravel, Construction		Producer	MRDS
Lady Katie Group	Uranium		Producer	MRDS
Lucky Construction Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Lugo Claims	Manganese		Producer	MRDS
Mary Lode Mine	Gold, Silver		Producer	MRDS
Merrill Ocotillo	Sand and Gravel, Construction	Surface	Producer	MRDS
Mesquite Mine	Gold		Producer	MRDS
Mesquite Mine	Gold	Surface	Producer	MRDS
Mount Signal Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Navajo Deposit	Stone, Crushed/Broken		Producer	MRDS
New River Fines Material Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Ocotillo Material Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Ocotillo Material Site	Sand and Gravel, Construction	Surface	Producer	MRDS
Ocotillo Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Ocotillo Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Ogilby Kyanite Dep	Aluminum		Producer	MRDS
Picacho Gold Mine	Gold		Producer	MRDS
Pit and Mill 576	Sand and Gravel, Construction	Surface	Producer	MRDS
Plaster City Pit and Mill	Gypsum-Anhydrite	Processing Plant	Producer	MRDS
Plaster City Quarry	Gypsum-Anhydrite	Surface	Producer	MRDS
Ryerson Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Salton Paving Co. Deposit	Sand and Gravel, Construction		Producer	MRDS
San Felipe Wash Material Site	Sand and Gravel, Construction	Surface	Producer	MRDS
Shank Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Shell Canyon Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Shoveler-Annex Quarry	Gypsum-Anhydrite	Surface	Producer	MRDS
Six & One-Half Mile Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Standard Canal Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Standard Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Superlite Pumice	Pumice		Producer	MRDS
Tierra Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Trio Mine	Gold		Producer	MRDS
Truckhaven Material Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Unnamed Location	Stone, Crushed/Broken		Producer	MRDS
Valley Sand and Gravel Deposit	Sand and Gravel, Construction		Producer	MRDS
Weaver Deposit	Stone, Crushed/Broken		Producer	MRDS
Westmoreland Community Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Whedon Claims	Manganese		Producer	MRDS
Wheeler Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Wheeler Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Allen-Beal Deposit	Semiprecious Gemstone		Occurrence	MRDS
American Boy Mine	Gold		Past Producer	MRDS
American Girl	Gold	Surface-Underground	Past Producer	MRDS
American Girl Mine	Gold	Surface	Plant	MRDS
American Girl Mine East	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
American-Portland Cement Company	Clay		Past Producer	MRDS
Anson Prospect			Past Producer	MRDS
Arizona Mine	Gold		Occurrence	MRDS
Banner Group	Gold		Occurrence	MRDS
Benton Prospect	Gold		Occurrence	MRDS
Bertram	Bromine, Sodium		Past Producer	MRDS
Bertram Mine	Sodium	Surface	Past Producer	MRDS
Big Bear and Little Bear Mine	Gold	Underground	Past Producer	MRDS
Big Chief Group of Mines	Gold		Occurrence	MRDS
Big Four Group of Mines	Gold		Occurrence	MRDS
Big Tree Mine	Gold	Underground	Unknown	MRDS
Black Eagle Prospect			Occurrence	MRDS
Black Eagle Prospect	Tungsten	Surface-Underground	Unknown	MRDS
Black Hills Perlite Deposit	Perlite	Surface	Unknown	MRDS
Black Label Mine	Manganese	Surface	Unknown	MRDS
Black Lady	Copper	Surface-Underground	Prospect	MRDS
Black Widow Mine		Surface-Underground	Past Producer	MRDS
Blanc Placer	Gypsum-Anhydrite		Occurrence	MRDS
Blossom Mine	Gold	Surface	Past Producer	MRDS
Blue Diamond Corp.	Gypsum-Anhydrite		Occurrence	MRDS
Blue Diamond Corp. Deposit	Gypsum-Anhydrite		Occurrence	MRDS
Bluebird Kyanite	Kyanite		Past Producer	MRDS
Bluntach Mine	Tungsten		Past Producer	MRDS
Bluntach Mine	Tungsten		Unknown	MRDS
Bonanza Queen	Copper		Past Producer	MRDS
Bonanza Queen Prospect	Copper	Underground	Prospect	MRDS
Border	Geothermal	Well	Unknown	MRDS
Borrego Groups	Manganese		Occurrence	MRDS
Bottle Neck	Gold		Occurrence	MRDS
Brawley	Geothermal	Well	Unknown	MRDS
Bright Star			Past Producer	MRDS
Bullfrog	Gold		Prospect	MRDS
Burslem Prospect	Copper	Surface	Prospect	MRDS
Burslem Prospect	Silver		Occurrence	MRDS
Butler Prospect	Silver	Surface	Prospect	MRDS
Butterfly Group of Mines	Gold	Surface	Past Producer	MRDS
Butterfly and Pinto			Occurrence	MRDS
Butterfly and Pinto Deposit	Copper		Occurrence	MRDS
Cahuilla (Modoc)	Gold		Prospect	MRDS
Cal-Min-Co Deposit	Bentonite	Underground	Past Producer	MRDS
Cal-White Deposit	Limestone, General	Surface	Occurrence	MRDS
Cal-White Limestone Deposit	Limestone, General		Occurrence	MRDS
Calif Pumice Deposit	Pumice		Past Producer	MRDS
California Picacho Mine	Gold	Placer	Unknown	MRDS
California Portland Cement Co.	Gypsum-Anhydrite		Occurrence	MRDS
Campbell			Occurrence	MRDS
Campbell Prospect	Copper		Occurrence	MRDS
Cargo Mine	Gold	Surface-Underground	Plant	MRDS
Cargo Muchacho	Tungsten		Occurrence	MRDS
Carlton Plant	Calcium	Processing Plant	Unknown	MRDS
Castle Prospect	Gold		Occurrence	MRDS
Castle Prospect	Gold	Surface	Unknown	MRDS
Cave Man Group of Claims	Copper		Past Producer	MRDS
Caveman	Copper		Past Producer	MRDS
Central Claim	Gold		Occurrence	MRDS
Chain Prospect			Occurrence	MRDS
Chain Prospect	Tungsten	Surface	Prospect	MRDS
Chocolate Drop Group		Surface	Past Producer	MRDS
Chocolate Mtns Silica Co	Limestone, General		Occurrence	MRDS
Coffee Pot Prospect	Gold		Past Producer	MRDS
Coffey	Gold	Surface-Underground	Unknown	MRDS
Cone Mountain Prospect	Mercury		Occurrence	MRDS
Cone Mountain Prospect	Mercury		Occurrence	MRDS
Coolidge Springs	Limestone, General		Occurrence	MRDS
Coolidge Springs Deposit	Limestone, General		Occurrence	MRDS
Coon Hollow Manganese	Manganese	Surface	Past Producer	MRDS
Coon Placer	Gold		Occurrence	MRDS
Copenhagen Placer Mine	Gold		Occurrence	MRDS
Copper Glance	Copper		Occurrence	MRDS
Copper Glance Prospect	Copper		Occurrence	MRDS
Copper King	Copper		Occurrence	MRDS
Copper King		Surface-Underground	Prospect	MRDS
Copper King Prospect	Copper		Occurrence	MRDS
Coyote Mountain Limestone	Limestone, General		Occurrence	MRDS
Coyote Mountain Silica Deposit	Silica	Surface	Past Producer	MRDS
Coyote Mountains	Limestone, General, Marble, Dimension		Occurrence	MRDS
Coyote Mountains	Silica		Past Producer	MRDS
Coyote Mountains Nickel Prospect	Nickel		Occurrence	MRDS
Coyote Mt Gypsum & Sulfur	Gypsum-Anhydrite	Surface	Past Producer	MRDS
Crescent Placer Mine	Gold		Occurrence	MRDS
Crescent Placer Mine	Gold	Placer	Prospect	MRDS
Crown Uranium Prospect	Talc-Soapstone		Past Producer	MRDS
Daisy	Gypsum-Anhydrite		Past Producer	MRDS
Delta Mine	Gold		Occurrence	MRDS
Deposit	Clay		Occurrence	MRDS
Deposit	Manganese		Occurrence	MRDS
Desert Bloom Prospect			Occurrence	MRDS
Desert Bloom Prospect		Surface	Prospect	MRDS
Desert Gold & Alum	Fire Clay (Refractory)	Underground	Unknown	MRDS
Desert King Mine	Gold	Underground	Unknown	MRDS
Desert View Placer Claims	Gold		Occurrence	MRDS
Dixieland	Limestone, General		Occurrence	MRDS
Dixieland Limestone Claim	Limestone, General		Occurrence	MRDS
Dos Hombres Discovery Prospect	Gold		Occurrence	MRDS
Dos Hombres Discovery Prospect	Gold	Surface	Unknown	MRDS
Drifted Snow Mine	Mica	Surface	Past Producer	MRDS
Dumortierite Occurrence	Semiprecious Gemstone		Occurrence	MRDS
Dumortierite Occurrence	Semiprecious Gemstone		Occurrence	MRDS
Dunes	Geothermal	Well	Unknown	MRDS
E J Beutler Mining Claims	Manganese		Occurrence	MRDS
East Highline	Construction Sand and Gravel	Surface	Abandoned	MSHA
East Highline #2	Construction Sand and Gravel	Surface	Abandoned	MSHA
El Centro Processing	Construction Sand and Gravel	Surface	Intermittent	MSHA
East Mesa	Geothermal	Well	Unknown	MRDS
Easy Pickens Prospect	Gold		Occurrence	MRDS
Easy Pickins Prospect	Gold		Occurrence	MRDS
Easy Pickins Prospect	Gold	Underground	Prospect	MRDS
Edwards			Occurrence	MRDS
Edwards	Copper		Occurrence	MRDS
Edwards Prospect	Copper	Surface	Prospect	MRDS
El Centro	Bentonite	Surface	Past Producer	MRDS
Elliot	Silica		Past Producer	MRDS
Elliot Pegmatite Deposit	Silica	Surface	Unknown	MRDS
Empire Marble Mt & Mamoth	Limestone, General		Occurrence	MRDS
Englewood Mine	Gold		Occurrence	MRDS
Erma Mine	Gold	Underground	Unknown	MRDS
Fair Diane Prospect	Uranium	Underground	Unknown	MRDS
Farmers Gravel Co Deposit	Sand and Gravel, Construction		Past Producer	MRDS
Farmers Gravel Co. Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Fish Mtn Silica Deposit	Silica		Occurrence	MRDS
Francho Copper	Copper		Occurrence	MRDS
Francho Copper Prospect	Copper	Surface	Unknown	MRDS
Frink Pit	Construction Sand and Gravel	Surface	Intermittent	MSHA
Full Moon	Clay		Occurrence	MRDS
Full Moon Clay Deposit	Clay	Surface	Unknown	MRDS
Full Moon Sulfur Deposit	Sulfur	Surface-Underground	Unknown	MRDS
Gaviland Copper Claims	Silver		Prospect	MRDS
Georgia Placer Mine	Gold		Occurrence	MRDS
Glamis	Geothermal	Well	Unknown	MRDS
Gold Basin Mine	Gold		Occurrence	MRDS
Gold Basin Rand Mine	Gold	Underground	Unknown	MRDS
Gold Basin Silver Queen	Gold	Underground	Unknown	MRDS
Gold Eagle	Gold		Occurrence	MRDS
Gold Leaf Group of Mines	Gold		Occurrence	MRDS
Golden Alter	Manganese		Occurrence	MRDS
Golden Alter Prospect	Tungsten	Surface	Prospect	MRDS
Golden Chain Mine	Gold		Occurrence	MRDS
Golden Dream	Gold		Past Producer	MRDS
Golden Eagle Claim	Gold		Occurrence	MRDS
Golden Eagle Mine	Gold		Occurrence	MRDS
Golden Geyser	Gold		Occurrence	MRDS
Golden Geyser	Gold	Underground	Unknown	MRDS
Golden Queen Mine	Gold	Underground	Unknown	MRDS
Golden Queen Prospect	Gold		Occurrence	MRDS
Golden Queen Prospect	Gold	Underground	Occurrence	MRDS
Golden Queen Prospect 1	Gold		Past Producer	MRDS
Golden Queen Prospect 2	Gold		Occurrence	MRDS
Good Luck and Gunsight	Gold		Past Producer	MRDS
Good Site	Gold		Occurrence	MRDS
Goshen Placer Mine	Gold	Placer	Unknown	MRDS
Gravel Pit	Sand and Gravel, Construction		Occurrence	MRDS
Gravel Pit	Sand and Gravel, Construction		Occurrence	MRDS
Gravel Pit	Sand and Gravel, Construction		Occurrence	MRDS
Gravel Pits	Sand and Gravel, Construction	Surface	Unknown	MRDS
Guadaloupe Mine	Gold	Underground	Prospect	MRDS
Guadalupe Mine	Gold		Occurrence	MRDS
Gulch Placer	Gold		Occurrence	MRDS
Gulch Placer Mine	Gold		Occurrence	MRDS
Gulch Placers	Gold	Surface	Occurrence	MRDS
Gypsum King & Hillcrest Placers	Gypsum-Anhydrite	Surface	Occurrence	MRDS
Gypsum King Placer	Gypsum-Anhydrite	Surface	Prospect	MRDS
H C Gibson	Sand and Gravel, Construction	Surface	Unknown	MRDS
H C Gibson-Glamis Pit Deposit	Sand and Gravel, Construction		Past Producer	MRDS
H. J. R. Research 51 Project	Silver	Surface	Prospect	MRDS
H. J. R. Research Project	Silver	Surface	Prospect	MRDS
H.c. Gibson-Glamis Pit	Sand and Gravel, Construction		Occurrence	MRDS
H.c. Gibson-Highline Pit	Sand and Gravel, Construction		Occurrence	MRDS
Hanks Lost Mine Prospect	Manganese	Underground	Unknown	MRDS
Harp Prospect		Surface	Prospect	MRDS
Hauser Beds	Gypsum-Anhydrite		Past Producer	MRDS
Hauser Beds	Semiprecious Gemstone		Occurrence	MRDS
Heber	Geothermal	Well	Unknown	MRDS
Hematite	Gold		Occurrence	MRDS
Hematite Prospect	Gold	Surface	Prospect	MRDS
Henrey Abeyta North Prospect	Sand and Gravel, Construction		Occurrence	MRDS
Henrey Abeyta South Prospect	Sand and Gravel, Construction		Occurrence	MRDS
Henry Abetya, North Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Henry Abeyta Decomposed Granite	Sand and Gravel, Construction		Occurrence	MRDS
Hess	Gold		Occurrence	MRDS
Hodge Brothers Deposit			Occurrence	MRDS
Holtville Pit No. 1	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Homestake Mine	Lead	Surface-Underground	Unknown	MRDS
Homestake Prospect	Silver, Lead		Occurrence	MRDS
Huddleston & Jackson Deposits	Iron		Occurrence	MRDS
Hyduke Prospect	Manganese	Surface	Unknown	MRDS
Imperial Buttes Mine	Lead, Gold, Copper		Past Producer	MRDS
Imperial Buttes Mine	Lead	Underground	Past Producer	MRDS
Imperial Gypsum	Gypsum-Anhydrite		Past Producer	MRDS
Imperial Gypsum Deposit	Gypsum-Anhydrite	Underground	Past Producer	MRDS
Imperial Irrigation Dist. No. 1	Boron-Borates	Well	Past Producer	MRDS
Imperial Lode Mine Imperial Proj	Gold	Surface	Plant	MRDS
Imperial Project	Gold, Silver	Surface	Prospect	MRDS
Imperial Salt Works	Sodium, Bromine		Past Producer	MRDS
Imperial Salt Works	Salt	Surface	Past Producer	MRDS
Indian Pass	Kyanite		Occurrence	MRDS
Indian Pass Area	Semiprecious Gemstone		Occurrence	MRDS
Indian Pass Placer	Gold		Occurrence	MRDS
Indian Pass Placer	Gold	Placer	Unknown	MRDS
Indian Rose	Gold		Past Producer	MRDS
Iron Gold Bearer Mine	Gold	Surface-Underground	Occurrence	MRDS
J B Nelson North	Sand and Gravel, Construction	Placer	Past Producer	MRDS
J B Nelson South	Sand and Gravel, Construction	Placer	Past Producer	MRDS
J McElvaney Deposit	Sand and Gravel, Construction		Past Producer	MRDS
J McElvaney Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Jackson Draw Mine	Gold	Surface	Occurrence	MRDS
Jean Prospect	Gold		Occurrence	MRDS
Jimenez	Construction Sand and Gravel	Surface	Abandoned	MSHA
Joan Jean Prospect	Gold		Occurrence	MRDS
Jumbo	Graphite, Limestone, General		Occurrence	MRDS
Jumbo Clay	Clay		Past Producer	MRDS
Jumbo Clay Deposit	Clay	Surface	Unknown	MRDS
Jumbo Limestone Deposit	Limestone, General		Occurrence	MRDS
Keller Deposit	Nickel	Surface	Occurrence	MRDS
King Mine	Gold		Occurrence	MRDS
Kirton-Gunn Prospect	Gold		Past Producer	MRDS
Kirton-Gunn Prospect	Gold	Underground	Past Producer	MRDS
Kohl Placer Mine	Gold		Occurrence	MRDS
La Colorado Mine	Gold		Past Producer	MRDS
La Colorado Mine	Gold	Underground	Unknown	MRDS
La Esperanyo			Past Producer	MRDS
Lady Katey Claim	Uranium		Occurrence	MRDS
Land Group	Gold		Past Producer	MRDS
Land Group	Gold	Underground	Past Producer	MRDS
Leapyear Group & Pay Streak	Gold		Occurrence	MRDS
Lidco Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Little Buckaroo Prospect	Silver		Past Producer	MRDS
Little Glen Prospect	Gold		Occurrence	MRDS
Little Glenn Prospect	Gold	Surface-Underground	Unknown	MRDS
Little Gold Reef Mine	Gold		Occurrence	MRDS
Little Tinner Mine	Gold		Unknown	MRDS
Little Tree Prospect	Manganese	Surface	Unknown	MRDS
Llh	Limestone, General		Past Producer	MRDS
Llh Deposit	Limestone, General		Occurrence	MRDS
Lobo			Past Producer	MRDS
Luby	Gold		Occurrence	MRDS
Lucky Strike	Gold		Occurrence	MRDS
Lucky Strike	Gold	Surface	Unknown	MRDS
Lugo Mine	Limestone, General	Surface-Underground	Past Producer	MRDS
M&j Mine	Gold	Underground	Unknown	MRDS
Mac Donald Prospect			Occurrence	MRDS
Macdonald Prospect		Surface	Prospect	MRDS
Macintyre Deposit	Manganese	Underground	Prospect	MRDS
Madre and Padre Mines	Gold	Surface-Underground	Plant	MRDS
Marcella Prospect	Silver, Lead		Past Producer	MRDS
Marr and Lunderborg			Past Producer	MRDS
Mary Lode Mine	Gold	Underground	Past Producer	MRDS
Mary-Ellen		Surface-Underground	Past Producer	MRDS
Masters Borrow Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Mayata Mine	Gold		Occurrence	MRDS
Mayflower			Occurrence	MRDS
Mayflower Mine	Silver	Underground	Unknown	MRDS
McKnight	Fire Clay (Refractory)		Past Producer	MRDS
McKnight Lucky Star Claim	Clay	Surface	Unknown	MRDS
Mendeville Mine	Gold		Occurrence	MRDS
Meniville Group of Claims	Gold		Occurrence	MRDS
Mesquite Mine	Gold	Surface	Plant	MRDS
Mesquite Placer	Gold	Placer	Unknown	MRDS
Miller Deposit	Sodium, Bromine		Occurrence	MRDS
Million Dollar Gold Mine	Gold		Occurrence	MRDS
Mmj Mine	Gold		Occurrence	MRDS
Monte Carlo Mine	Gold		Occurrence	MRDS
Morning Star	Gold		Occurrence	MRDS
Morning Star Prospect	Gold	Underground	Unknown	MRDS
Morrison Mine	Copper		Occurrence	MRDS
Mother Lode	Gold	Underground	Past Producer	MRDS
Mountain Spring	Limestone, General		Past Producer	MRDS
Mountain Spring Deposit	Limestone, General	Surface	Occurrence	MRDS
Mullet Island Paint Deposit	Mineral Pigments		Occurrence	MRDS
Mullet Island Paint Deposit	Iron		Occurrence	MRDS
Mullet Island Salt Works	Bromine, Halite		Past Producer	MRDS
Mullet Island Salt Works	Calcium	Surface	Past Producer	MRDS
Myer Valley Prospect	Tungsten	Surface	Prospect	MRDS
Myers Valley	Marble, Dimension		Occurrence	MRDS
National Gypsum Co. Deposit	Gypsum-Anhydrite		Prospect	MRDS
National Gypsum Company	Gypsum-Anhydrite		Occurrence	MRDS
Navajo Deposit	Stone, Crushed/Broken	Surface	Prospect	MRDS
North Star			Occurrence	MRDS
North Star Prospect	Tungsten	Underground	Prospect	MRDS
O'Callaghan	Clay		Past Producer	MRDS
O'Callahan Deposit	Clay	Surface	Past Producer	MRDS
Oak Pit	Sand and Gravel, Construction		Occurrence	MRDS
Oat Pit	Construction Sand and Gravel	Surface	Intermittent	MSHA
Occidental	Gold		Occurrence	MRDS
Occidental Group	Sand, Industrial NEC	Surface	Abandoned	MSHA
Occidental Mine	Gold	Surface-Underground	Prospect	MRDS
Ocotillo Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Ogilby Group of Mines	Gold	Underground	Unknown	MRDS
Ogilby Kyanite Dep	Kyanite	Surface-Underground	Past Producer	MRDS
Ogilby Mine	Kyanite		Past Producer	MRDS
Old Senator Mine	Gold	Underground	Past Producer	MRDS
Orange Co Rock Co Inc	Sand and Gravel, Construction		Past Producer	MRDS
Orange Co Rock Co Inc	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Oro Cruz (Tumco)	Gold	Underground	Past Producer	MRDS
Otay Bentonite	Bentonite	Surface	Unknown	MRDS
Padre Y Madre Mine	Gold		Occurrence	MRDS
Palo Verde Barite Deposit	Barium-Barite		Occurrence	MRDS
Palo Verde Barite Deposit	Barium-Barite	Underground	Prospect	MRDS
Pasadena	Gold		Past Producer	MRDS
Paymaster District	Tungsten		Occurrence	MRDS
Paymaster Mine	Silver, Lead		Past Producer	MRDS
Paymaster Mine	Lead		Unknown	MRDS
Peg Leg Mine	Gold	Underground	Unknown	MRDS
Peg Log Prospect	Gold		Occurrence	MRDS
Peggy Claim & Prometheus Claim	Gold		Occurrence	MRDS
Picacho	Copper		Past Producer	MRDS
Picacho Mine	Gold	Surface	Plant	MRDS
Picacho Mine	Gold	Surface-Underground	Past Producer	MRDS
Picacho Peak Gold Project	Gold	Surface	Past Producer	MRDS
Pilot Knob Prospect			Occurrence	MRDS
Pilot Knob Prospect			Unknown	MRDS
Pioneer	Manganese	Surface	Past Producer	MRDS
Pk Mine	Tungsten		Past Producer	MRDS
Pk Mine	Tungsten	Underground	Past Producer	MRDS
Pomeroy Dot Prospect	Silver	Surface	Prospect	MRDS
Pomeroy Prospect	Silver		Occurrence	MRDS
Potato Patch	Semiprecious Gemstone		Past Producer	MRDS
Potato Patch Beds	Semiprecious Gemstone		Occurrence	MRDS
Potholes Mine	Gold		Past Producer	MRDS
Potholes Placer	Gold		Past Producer	MRDS
Powder Uranium and Minerals	Kaolin		Occurrence	MRDS
Prospect	Iron		Occurrence	MRDS
Prospect	Iron		Occurrence	MRDS
Prospect	Manganese		Occurrence	MRDS
Purple Hills	Iron		Occurrence	MRDS
Purple Hills	Iron		Occurrence	MRDS
Quartz Outcrop	Silver		Occurrence	MRDS
Quartz-Schist Outcrop	Silver		Occurrence	MRDS
Quartz-Schist Outcrop	Silver		Occurrence	MRDS
Quartz-Schist Outcrop	Silver		Occurrence	MRDS
Quien Sabe Prospect	Gold		Occurrence	MRDS
Quion Quien Sabe Prospect	Gold	Underground	Unknown	MRDS
R. T. Pinner and Son Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
R.t. Pinner and Son	Sand and Gravel, Construction		Occurrence	MRDS
Rainbow	Silver	Underground	Unknown	MRDS
Rainbow Mine	Gold		Occurrence	MRDS
Raley Deposit	Sand and Gravel, Construction		Past Producer	MRDS
Raley Deposit	Sand and Gravel, Construction	Surface	Unknown	MRDS
Red Desert Mine	Feldspar		Occurrence	MRDS
Red Dog Mining Inc	Gold	Surface	Occurrence	MRDS
Red Fox Mine	Gold		Occurrence	MRDS
Red Schist Prospect	Gold		Occurrence	MRDS
Red Schist Prospect	Gold	Surface	Occurrence	MRDS
Ringwall Deposit	Manganese	Surface	Unknown	MRDS
River Ranches No. 1	Boron-Borates	Well	Past Producer	MRDS
Roadside Mine	Gold	Surface	Plant	MRDS
Roark Mine	Tungsten		Past Producer	MRDS
Roark Mine	Tungsten		Occurrence	MRDS
Roberts and Peeler	Strontium		Past Producer	MRDS
Roberts and Peeler Mine	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Rock Hill Deposit	Pumice		Occurrence	MRDS
Rock Hill Deposit	Pumice	Surface	Unknown	MRDS
Shell Canyon Ocotillo Pit	Construction Sand and Gravel	Surface	Abandoned	MSHA
Sagebrush Mine	Gold		Occurrence	MRDS
Salt Paving Co Deposit	Sand and Gravel, Construction	Surface	Prospect	MRDS
Salton Sea Kgra	Potassium, Salt	Brine Operation	Plant	MRDS
San Felipe Hills Locality	Stone		Occurrence	MRDS
Senator Mine	Gold		Past Producer	MRDS
Shear Zone Outcrop	Silver		Occurrence	MRDS
Shell Canyon	Nickel	Surface	Occurrence	MRDS
Shell Canyon, Coyote Mtn.			Occurrence	MRDS
Shell Group Placer Mine	Feldspar	Surface	Unknown	MRDS
Sidewinder Pit	Construction Sand and Gravel	Surface	Abandoned	MSHA
Silver King			Occurrence	MRDS
Silver King Mine	Lead	Underground	Unknown	MRDS
Silver Shaft Mines	Gold		Occurrence	MRDS
Simons Brick Company	Clay		Occurrence	MRDS
Simpson	Iron		Occurrence	MRDS
Simpson-Churchill-Wear Deposit	Iron		Occurrence	MRDS
Sinclair No. 3	Boron-Borates	Well	Past Producer	MRDS
Singer Mucho Labor Prospect	Gold	Surface	Prospect	MRDS
Snow White	Silica		Past Producer	MRDS
Snow White Deposit	Silica	Surface	Unknown	MRDS
Southern Pacific			Unknown	MRDS
Southern Pacific Deposit			Occurrence	MRDS
Southern Pacific Deposit	Limestone, General		Past Producer	MRDS
Southern Star			Occurrence	MRDS
Southern Star Groups	Zinc	Surface	Unknown	MRDS
Sportsman No. 1	Boron-Borates	Well	Past Producer	MRDS
St. Anthony Mine	Gold		Occurrence	MRDS
St. Joseph Mine	Gold		Occurrence	MRDS
Stone Face Prospect	Gold	Surface-Underground	Unknown	MRDS
Stone Quarry	Stone		Occurrence	MRDS
Stone Quarry	Stone	Surface	Past Producer	MRDS
Stoneface Prospect	Gold		Occurrence	MRDS
Stuart Graphite Prospect	Graphite		Occurrence	MRDS
Sunshine Placer Gypsum	Gypsum-Anhydrite		Past Producer	MRDS
Superstition Mtn Feldspar Deposit	Feldspar		Occurrence	MRDS
Swallow and South Pole Placers	Gypsum-Anhydrite		Occurrence	MRDS
Sweet Potatoes Mine	Gold		Occurrence	MRDS
Tee Wee Mine	Gold		Past Producer	MRDS
Tenn-Cal Group	Uranium	Surface	Unknown	MRDS
Thedford Prospect	Silver	Surface	Prospect	MRDS
Thedford Prospect	Copper	Surface	Prospect	MRDS
Three C's Mine	Gold		Past Producer	MRDS
Three C:s Mine	Gold	Underground	Unknown	MRDS
Thumb Peak Manganese	Manganese	Surface-Underground	Prospect	MRDS
Tio Rico	Iron		Occurrence	MRDS
Tio Rico	Iron	Surface	Unknown	MRDS
Tract 72	Gypsum-Anhydrite		Occurrence	MRDS
Tract 72 Gypsum Deposit	Gypsum-Anhydrite		Occurrence	MRDS
Trio Mine	Gold	Underground	Past Producer	MRDS