Mines in Monterey County, California

Monterey County, California has 379 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 70 of these are currently active mining operations. The most commonly recorded commodity is sand and gravel, construction, with 76 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Monterey County

Mine	Commodity	Type	Status	Source
Clark Pit	Construction Sand and Gravel	Surface	Active	MSHA
Handley Ranch Quarry	Crushed, Broken Stone NEC	Surface	Active	MSHA
Hidden Canyon Quarry	Construction Sand and Gravel	Surface	Active	MSHA
Natividad Plant	Lime	Surface	Active	MSHA
Arroyo Seco Creek Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Arroyo Seco River Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Augustini	Stone		Producer	MRDS
Bardin Ranch	Stone		Producer	MRDS
Bitterwater Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Blm Rock Pile	Flagstone	Surface	Producer	MRDS
Bradley Ranch Pit #2	Sand and Gravel, Construction	Surface	Producer	MRDS
Brinan Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Canyon Rock Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Chalome Creek Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Chalone Pits and Mills	Sand and Gravel, Construction	Surface	Producer	MRDS
Chews Ridge Area	Uranium		Producer	MRDS
Cumming Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
De Amaral-Carmel Highlands Deposit	Stone		Producer	MRDS
De Ameral	Stone		Producer	MRDS
Del Fino	Stone		Producer	MRDS
Del Monte Properties Co	Stone		Producer	MRDS
Del Monte Quarry and Mill	Stone, Crushed/Broken	Surface	Producer	MRDS
Dolan's Hot Springs	Geothermal	Geothermal	Producer	MRDS
Echo Valley	Stone		Producer	MRDS
Fleming	Stone		Producer	MRDS
Foothill Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Granite Construction Co.	Sand and Gravel, Construction	Surface	Producer	MRDS
Greco Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Haldorn	Stone		Producer	MRDS
Henningsen	Stone		Producer	MRDS
Henningsen	Stone		Producer	MRDS
Hill	Stone		Producer	MRDS
Hilltop Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Jefferson Street Quarry	Stone		Producer	MRDS
Johnson	Stone		Producer	MRDS
Lapis #110 Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Limekeln Creek	Gemstone		Producer	MRDS
Little Sur Hot Springs	Geothermal	Geothermal	Producer	MRDS
Machado	Stone		Producer	MRDS
Meadows	Stone		Producer	MRDS
Meadows Gulch	Stone		Producer	MRDS
Monterey Bay Salt Works	Salt	Brine Operation	Producer	MRDS
Monterey Sand Co.-San Jose Creek	Sand and Gravel, Construction	Surface	Producer	MRDS
Monterey Sand Co.-Sand City	Sand and Gravel, Construction	Surface	Producer	MRDS
Nacimiento River Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Owens Illinois-Moss Beach	Sand and Gravel, Construction	Surface	Producer	MRDS
Pac. Cement & Agg. Inc.-Prattco	Sand and Gravel, Construction	Surface	Producer	MRDS
Paraiso Hot Springs	Geothermal	Geothermal	Producer	MRDS
Pine Canyon Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Quarry	Stone		Producer	MRDS
Ratton Ranch	Stone		Producer	MRDS
Reported Location	Silver		Producer	MRDS
Rianda	Stone		Producer	MRDS
Ruthyen Pit	Stone		Producer	MRDS
Santa Lucia Quarrie Ltd	Stone		Producer	MRDS
Sawyer	Stone		Producer	MRDS
Sierra	Stone		Producer	MRDS
Sillacci	Stone		Producer	MRDS
Slate's Hot Springs	Geothermal	Geothermal	Producer	MRDS
South Slope Mine 1918	Chromium		Producer	MRDS
Spreckels	Stone		Producer	MRDS
Spreckles Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Steward Quarry	Stone		Producer	MRDS
Stonewall Canyon Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Stonewall Canyon Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Tassajara Hot Springs	Geothermal	Geothermal	Producer	MRDS
Unnamed	Graphite		Producer	MRDS
Valley Rock & Sand Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Valley Rock and Adobe Co.	Sand and Gravel, Construction	Surface	Producer	MRDS
Work Ranch Deposit	Diatomite		Producer	MRDS
Ajax	Gold	Underground	Past Producer	MRDS
Alice Quartz	Gold	Underground	Past Producer	MRDS
Alisal Silver Prospects	Silver		Prospect	MRDS
Ancona Mine	Gold	Underground	Prospect	MRDS
Arca Roofing Tile Plant	Clay	Surface	Past Producer	MRDS
Aronjo Ranch Prospect	Uranium	Surface	Occurrence	MRDS
Arroyo Seco	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Arroyo Seco Area	Uranium		Prospect	MRDS
Atkinson Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Augustini	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Balck Crystal	Gold	Surface	Prospect	MRDS
Bardin Estate	Sand and Gravel, Construction	Surface	Occurrence	MRDS
Bardin Prospects	Limestone, General		Prospect	MRDS
Bardin Prospects	Limestone, General	Surface	Past Producer	MRDS
Bardin Ranch	Sand and Gravel, Construction		Prospect	MRDS
Bardin Ranch	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bardin Ranch Deposits	Limestone, General	Surface	Occurrence	MRDS
Bauman Claims		Underground	Past Producer	MRDS
Bedell			Occurrence	MRDS
Bedell	Copper	Surface	Occurrence	MRDS
Bedell Deposit	Magnesite	Surface	Prospect	MRDS
Benn and Smith Claims	Gold	Placer	Prospect	MRDS
Bethlehem Steel Co	Limestone, General		Prospect	MRDS
Bethlehem Steel Co	Dolomite	Surface	Past Producer	MRDS
Big Sandy Creek Deposit	Sand and Gravel, Construction	Surface	Occurrence	MRDS
Bixby Creek Deposit	Limestone, General	Surface	Past Producer	MRDS
Blue Jay No. 1	Gold	Underground	Prospect	MRDS
Blue Rock Mtn. Deposit	Limestone, General	Surface	Occurrence	MRDS
Borrow Pit	Sand and Gravel, Construction		Prospect	MRDS
Borrow Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Botts	Mercury		Past Producer	MRDS
Botts Deposit	Mercury	Surface-Underground	Prospect	MRDS
Boyd Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bradley Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Brennan Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Brooklyn	Gold	Surface	Prospect	MRDS
Bryson Mine	Mercury		Past Producer	MRDS
Bryson Mine	Mercury		Unknown	MRDS
Burro Mountain Prospect	Asbestos	Surface-Underground	Prospect	MRDS
Bushnell Mine	Gold	Underground	Past Producer	MRDS
Calera Canyon	Sand and Gravel, Construction		Prospect	MRDS
Calera Canyon	Sand and Gravel, Construction	Surface	Past Producer	MRDS
California Kieselguhr Co.	Diatomite	Underground	Past Producer	MRDS
California Water & Telephone Co.	Sand and Gravel, Construction	Surface	Past Producer	MRDS
California Water & Telephone Co.	Sand and Gravel, Construction	Surface	Past Producer	MRDS
California Water and Telephone	Sand and Gravel, Construction		Prospect	MRDS
Calizona	Gold	Placer	Prospect	MRDS
Cape San Martin	Semiprecious Gemstone	Surface	Prospect	MRDS
Carmel Stone Quarry-Anthony	Stone, Dimension	Surface	Past Producer	MRDS
Carmel Stone Quarry-Passadori	Stone, Dimension	Surface	Past Producer	MRDS
Carmel Valley Area	Phosphorus-Phosphates	Surface	Occurrence	MRDS
Charleston	Gold	Underground	Prospect	MRDS
Chauler			Occurrence	MRDS
Chews Ridge Area	Uranium		Prospect	MRDS
Chieftan Power Screen	Construction Sand and Gravel	Facility	Abandoned	MSHA
Cholame Grant	Gold	Placer	Past Producer	MRDS
Chualar	Copper	Underground	Prospect	MRDS
Clark Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Condor Group	Gold	Underground	Prospect	MRDS
Cool Springs	Gold	Underground	Past Producer	MRDS
Copper Occurrence	Copper		Unknown	MRDS
Daisy	Chromium	Underground	Past Producer	MRDS
David Avenue	Stone, Crushed/Broken	Surface	Past Producer	MRDS
De Amaral-Carmel Highlands Deposit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
De Ameral-Carmel Valley	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Del Fino	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Del Monte Prop. Co-Fan Shell Beach	Silica	Surface	Past Producer	MRDS
Del Monte Prop. Co. - Fanshell Beah	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Del Monte Prop. Co.-Saw Mill Gulch	Sand and Gravel, Construction	Surface	Prospect	MRDS
Del Monte Properties Co. Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Del Monte Properties Co. Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Del Monte Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Diatomite Occurrence	Diatomite	Surface	Past Producer	MRDS
Dolomite Materials Branch	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Eade Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
East Extension No. 1	Gold	Underground	Prospect	MRDS
East Gabilan Deposit	Limestone, General		Prospect	MRDS
East Gabilan Deposit	Limestone, General	Surface	Prospect	MRDS
Echo Valley	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Echstine	Clay	Surface	Occurrence	MRDS
Evans Manganese Prospect			Occurrence	MRDS
Evans Manganese Prospect		Surface	Occurrence	MRDS
Evans Ranch Prospect	Chromium		Occurrence	MRDS
Evans Ranch Prospect	Chromium	Surface	Occurrence	MRDS
Ferrini	Sand and Gravel, Construction		Prospect	MRDS
Ferrini	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Fighting Bob No. 1	Gold		Unknown	MRDS
Firefly Mine	Uranium		Unknown	MRDS
Fleming	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Fremont Peak Deposit	Barium-Barite	Underground	Past Producer	MRDS
Fremont Peak Deposit	Limestone, General	Surface	Occurrence	MRDS
G. W. D. Mine	Mercury	Surface-Underground	Past Producer	MRDS
G.w.d. Mine	Mercury		Past Producer	MRDS
Gilbert	Gold		Unknown	MRDS
Gillette Mine	Mercury		Past Producer	MRDS
Gillette Mine	Mercury	Underground	Past Producer	MRDS
Gillette Prospect	Mercury		Past Producer	MRDS
Gillette Prospect	Mercury		Prospect	MRDS
Gillis Claims		Surface-Underground	Prospect	MRDS
Gold Ore No. 2	Gold	Underground	Prospect	MRDS
Goodrich	Gold	Underground	Past Producer	MRDS
Gorda	Gold	Underground	Past Producer	MRDS
Gould Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Granite Construction Co	Sand and Gravel, Construction		Prospect	MRDS
Great Lakes Carbon Corp.	Diatomite	Surface	Prospect	MRDS
Grizzly Mine	Gold	Underground	Past Producer	MRDS
Haber Deposit	Sand and Gravel, Construction		Prospect	MRDS
Haber Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Haldorn	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Hammond Calims	Gold	Surface	Prospect	MRDS
Harris Chromite	Chromium	Surface	Prospect	MRDS
Hatton Ranch	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Heins Lake	Clay	Surface	Occurrence	MRDS
Henningsen	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Hidden Valley Ranch	Manganese	Surface	Prospect	MRDS
Hill	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Humbug	Gold	Placer	Past Producer	MRDS
Hurt Ranch	Sand and Gravel, Construction		Prospect	MRDS
Hurt Ranch	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Jefferson Street Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Jens Deposit	Diatomite	Underground	Past Producer	MRDS
Jens Deposit	Feldspar	Surface	Past Producer	MRDS
Johnson	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Johnson Ranch Prospect	Feldspar	Surface	Prospect	MRDS
Junipero Serra Deposit	Limestone, General	Surface	Occurrence	MRDS
Kenner Claim	Gold	Surface	Occurrence	MRDS
King	Gold	Underground	Prospect	MRDS
King City Deposit	Diatomite	Surface	Occurrence	MRDS
Kings Deposit	Magnesite	Surface	Prospect	MRDS
La Maccia Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Lambert Ranch Deposit	Limestone, General	Surface	Prospect	MRDS
Lapis Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Lilly Group Deposit	Chromium		Past Producer	MRDS
Limekeln Creek	Gemstone	Surface	Prospect	MRDS
Limekiln Creek	Limestone, General		Prospect	MRDS
Limekiln Creek Deposit	Limestone, General		Prospect	MRDS
Limekiln Creek Deposit-Chualar	Limestone, General	Surface	Past Producer	MRDS
Limekiln Creek-Lucia	Limestone, General	Surface	Past Producer	MRDS
Lodi	Gold	Underground	Prospect	MRDS
Logwood	Gold	Surface-Underground	Past Producer	MRDS
Los Burros	Gold	Underground	Past Producer	MRDS
Los Vergales	Limestone, General		Prospect	MRDS
Los Vergales Ranch Quarry	Limestone, General		Prospect	MRDS
Los Vergeles Ranch Quarry	Limestone, General	Surface	Past Producer	MRDS
Lucky Jim		Placer	Prospect	MRDS
Lucky Jim Placer	Gold	Placer	Past Producer	MRDS
Lucky Moe	Gold	Underground	Past Producer	MRDS
Machado	Slate, Dimension	Surface	Past Producer	MRDS
Manzanita	Gold	Underground	Prospect	MRDS
Marble Peak	Limestone, General		Prospect	MRDS
Marble Peak	Limestone, General	Surface	Occurrence	MRDS
Mariposa Mine	Gold	Underground	Past Producer	MRDS
Mary 5	Gold	Surface	Occurrence	MRDS
Mary S Extension	Gold	Underground	Past Producer	MRDS
Meadows	Slate, Dimension	Surface	Past Producer	MRDS
Meadows Gulch	Stone, Dimension	Surface	Past Producer	MRDS
Mee Ranch	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Mee Ranch Deposit	Chromium	Placer	Past Producer	MRDS
Melville Mine		Underground	Prospect	MRDS
Metz Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Metz Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Miner's Gulch Area	Gold	Placer	Prospect	MRDS
Molera Ranch	Sand and Gravel, Construction		Prospect	MRDS
Molera Ranch	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Monte Cristo Group	Mercury		Occurrence	MRDS
Monte Cristo Group	Mercury		Unknown	MRDS
Monterey County ? Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Monterey Mission Tile	Clay		Prospect	MRDS
Monterey Mission Tile	Clay	Surface	Past Producer	MRDS
Monterey Sand Co	Sand and Gravel, Construction		Prospect	MRDS
Monterey Sand Co Marina	Sand and Gravel, Construction		Prospect	MRDS
Monterey Sand Co.-Marina	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Moore Ranch			Occurrence	MRDS
Moore Ranch	Mercury	Underground	Prospect	MRDS
Morse	Sand and Gravel, Construction		Prospect	MRDS
Morse	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Moss Landing Brick Plant	Magnesite	Processing Plant	Plant	MRDS
Moss Landing Magnesia Plant	Chromium, Magnesite	Processing Plant	Plant	MRDS
Native Copper			Occurrence	MRDS
Native Copper	Copper	Underground	Prospect	MRDS
Natividad Calcining Plant	Magnesite	Processing Plant	Plant	MRDS
Natividad Deposit	Limestone, General		Prospect	MRDS
Natividad Quarry & Mill	Magnesite	Surface	Plant	MRDS
Nelson Creek Deposits	Limestone, General	Surface	Occurrence	MRDS
Nevins Deposit	Magnesite	Surface	Prospect	MRDS
New York Mine	Gold	Underground	Past Producer	MRDS
O'Brien	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Oakdale Ranch	Diatomite	Surface	Occurrence	MRDS
Odello	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Old Man of the Mountains	Gold	Underground	Past Producer	MRDS
Old Murry	Mercury		Past Producer	MRDS
Old Murry	Mercury	Underground	Prospect	MRDS
Ophir	Gold	Underground	Prospect	MRDS
Oregon Mine	Gold	Underground	Prospect	MRDS
Otey	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Pancho Rico Sand and Gravel	Construction Sand and Gravel	Surface	Abandoned	MSHA
Pacific Cement and Aggregate Inc	Sand and Gravel, Construction		Prospect	MRDS
Pacific Cement,aggregates Inc-Lapiz	Sand and Gravel, Construction		Prospect	MRDS
Patriquin Deposit	Limestone, General	Surface	Occurrence	MRDS
Patriquin Mine	Mercury		Past Producer	MRDS
Patriquin Mine	Mercury	Underground	Past Producer	MRDS
Pico Blanco Deposit	Limestone, General	Surface	Occurrence	MRDS
Pine Canyon Quarry	Construction Sand and Gravel	Surface	Intermittent	MSHA
Plaskett Placer Deposit	Gold	Placer	Past Producer	MRDS
Plaskette Mine	Gold	Underground	Past Producer	MRDS
Poppy Prospect	Mercury		Past Producer	MRDS
Poppy Prospect	Mercury	Surface-Underground	Past Producer	MRDS
Porter Deposit	Limestone, General	Surface	Occurrence	MRDS
Quail Creek Deposit	Limestone, General	Surface	Past Producer	MRDS
Queen Hattie	Gold	Underground	Prospect	MRDS
Quilty Deposit	Iron		Unknown	MRDS
Rancho Del Monte	Clay		Prospect	MRDS
Rancho Del Monte	Clay	Surface	Past Producer	MRDS
Rattlesnake Project	Mercury	Underground	Prospect	MRDS
Rattlesnake Prospect			Occurrence	MRDS
Red Hill Mercury	Mercury	Underground	Prospect	MRDS
Reliz Canyon Area Deposits	Phosphorus-Phosphates	Surface	Occurrence	MRDS
Reported Deposit	Chromium		Occurrence	MRDS
Rianda	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Rianda	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Riewerts Deposit	Diatomite	Surface-Underground	Past Producer	MRDS
Riley	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Riley Ranch			Occurrence	MRDS
Riley Ranch Prospect	Arsenic	Underground	Prospect	MRDS
Rocky Bar	Gold	Placer	Past Producer	MRDS
Rocky Ridge Tungsten	Tungsten	Surface	Unknown	MRDS
Ross Ranch Prospect			Occurrence	MRDS
Ross Ranch Prospect		Surface	Occurrence	MRDS
Ruby Placer	Gold	Placer	Prospect	MRDS
Ruthven Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Salinas Brickyard	Clay		Prospect	MRDS
Salinas Brickyard	Clay	Surface	Past Producer	MRDS
San Lucas Area Deposit	Phosphorus-Phosphates	Surface	Occurrence	MRDS
Santa Lucia Quarries, Ltd.	Flagstone	Surface	Past Producer	MRDS
Sawmill Gulch	Clay	Surface	Past Producer	MRDS
Schmidt & Ortner Prospect	Tungsten	Surface	Occurrence	MRDS
Schmidt Prospect	Manganese	Surface	Occurrence	MRDS
Seaforth Corporation	Sand and Gravel, Construction		Prospect	MRDS
Seaforth Corporation	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Seaside Sand and Gravel	Sand and Gravel, Construction		Prospect	MRDS
Seaside Sand and Gravel	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Section 31 Mercury	Mercury		Unknown	MRDS
Sierra	Flagstone	Surface	Past Producer	MRDS
Sierra Hill-Little Sur	Limestone, General	Surface	Occurrence	MRDS
Sillacci Lower Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Soledad Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Sommer's Prospect			Occurrence	MRDS
Sommer's Prospect	Mercury	Underground	Prospect	MRDS
Spreckels Sugar Co	Limestone, General		Past Producer	MRDS
Spreckels Sugar Co	Limestone, General		Prospect	MRDS
Spreckles Sugar Co.	Limestone, General	Surface	Past Producer	MRDS
Spruce Creek Placer Deposits	Gold	Placer	Past Producer	MRDS
Stewart Quarry	Slate, Dimension	Surface	Past Producer	MRDS
Stone Canyon Jasper Deposit	Gemstone	Surface	Prospect	MRDS
Stonewall Claim	Gold	Surface	Occurrence	MRDS
Sugarloaf Deposit	Limestone, General		Prospect	MRDS
Sugarloaf Deposit	Limestone, General	Surface	Occurrence	MRDS
Table Mountain	Asbestos	Surface	Prospect	MRDS
Tassajara Deposits	Limestone, General		Prospect	MRDS
Tassajara Deposits	Limestone, General	Surface	Past Producer	MRDS
Tassajara Hot Spring Deposits	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Titus Pit	Sand and Gravel, Construction		Prospect	MRDS
Titus Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Topo Aggregates Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Toro Quartz	Gold	Underground	Prospect	MRDS
Trampa Canyon			Occurrence	MRDS
Trampa Canyon	Copper		Prospect	MRDS
Treasure Chest	Chromium	Surface	Past Producer	MRDS
Turkey Flat Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
U.s. Army Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
U.s. Army Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed	Mercury		Occurrence	MRDS
Unnamed	Mercury		Occurrence	MRDS
Unnamed Mine	Stone	Surface	Past Producer	MRDS
Unnamed Mine	Stone	Surface	Past Producer	MRDS
Unnamed Mine	Stone	Surface	Past Producer	MRDS
Unnamed Mine	Stone	Surface	Past Producer	MRDS
Unnamed Mine	Stone	Surface	Past Producer	MRDS
Unnamed Occurence			Occurrence	MRDS
Unnamed Pit	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Unnamed Prospect			Occurrence	MRDS
Unnamed Prospect			Occurrence	MRDS
Unnamed Prospect			Occurrence	MRDS
Unnamed Prospect	Gold	Underground	Prospect	MRDS
Unnamed Prospect	Mercury	Underground	Prospect	MRDS
Unnamed Prospect	Copper	Surface	Occurrence	MRDS
Unnamed Prospect	Molybdenum		Prospect	MRDS
Unnamed Quarry	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Quarry	Stone	Surface	Past Producer	MRDS
Unnamed Quarry	Stone	Surface	Past Producer	MRDS
Unnamed Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Unnamed Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Unnamed Quarry	Stone	Surface	Past Producer	MRDS
Vancouver Pinnacles			Occurrence	MRDS
Vancouver Pinnacles Molybdenum	Molybdenum		Occurrence	MRDS
Wayland Ranch			Occurrence	MRDS
Webb & Mingus Deposit	Limestone, General	Surface	Occurrence	MRDS
Wescott Ranch	Molybdenum	Surface	Prospect	MRDS
West Extension No. 1	Gold	Underground	Prospect	MRDS
Westphal Ranch Deposit	Limestone, General	Surface	Occurrence	MRDS
Whaler's Cove	Stone, Dimension	Surface	Past Producer	MRDS
White Property	Mercury		Past Producer	MRDS
White Property	Mercury	Underground	Past Producer	MRDS
Willow Creek Prospects	Asbestos	Surface	Occurrence	MRDS
Wolter Deposit	Sand and Gravel, Construction		Prospect	MRDS
Wolter Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Work Ranch Deposit	Diatomite	Surface	Past Producer	MRDS
Yost Pit	Stone, Dimension	Surface	Past Producer	MRDS
Zabala Deposit	Sand and Gravel, Construction	Surface	Past Producer	MRDS