Mines in Mendocino County, California

Mendocino County, California has 320 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 84 of these are currently active mining operations. The most commonly recorded commodity is manganese, with 47 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Mendocino County

Mine	Commodity	Type	Status	Source
Ford Gravel	Construction Sand and Gravel	Facility	Active	MSHA
Grist Creek Aggregates, Longvale Plant	Construction Sand and Gravel	Facility	Active	MSHA
Harris Quarry	Crushed, Broken Stone NEC	Surface	Active	MSHA
Alderson Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Arnold Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Austin Ranch Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Baxman Gravel Co	Sand and Gravel, Construction	Surface	Producer	MRDS
Bevins-Busch	Manganese		Producer	MRDS
Bielenberg Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Boonville Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Bradford Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Cable Creek Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Camp 5 Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Ciancio Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Consolidated Black Lesses Big Jim, Love Indian	Manganese		Producer	MRDS
Cooks Valley Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Cooper	Manganese		Producer	MRDS
Diamond H, Ranch Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Diamond H. Ranck Quarry	Stone	Surface	Producer	MRDS
Dorn	Manganese		Producer	MRDS
Eel River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Eel River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Ellison Gravel Company	Sand and Gravel, Construction	Surface	Producer	MRDS
Empress	Mercury		Producer	MRDS
Faucher	Manganese		Producer	MRDS
Feliz Creek Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Finnegan Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Ford Canyon Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Freitas Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Freitas Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Garcia Creek Pit & Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Garcia River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
George Watkins	Sand and Gravel, Construction	Surface	Producer	MRDS
Graham Group	Chromium		Producer	MRDS
Guntley Quarry No. 1	Stone, Crushed/Broken	Surface	Producer	MRDS
Hamm Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Harms Brothers Sand and Gravel	Sand and Gravel, Construction	Surface	Producer	MRDS
Harris Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Hell's Half Acre Quarry	Stone	Surface	Producer	MRDS
Hopland Bar	Sand and Gravel, Construction		Producer	MRDS
Hopland Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Hopland Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Ica Plant Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Krueger Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Legal Bridge Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Leona	Manganese		Producer	MRDS
Linser	Manganese		Producer	MRDS
Longvale Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Longvale Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Longvale Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Mattern Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
McClendon Ranch	Manganese		Producer	MRDS
Mendocino Mining & Milling Co. Inc.	Gold		Producer	MRDS
Michaels, Roman and Weeks	Manganese		Producer	MRDS
Miles Bar No. 2	Sand and Gravel, Construction	Surface	Producer	MRDS
Mill Creek Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Nowlin	Manganese		Producer	MRDS
O'Brien Shale Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Oberfeld Shale Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Outlet Creek Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Parnum Paving Co	Sand and Gravel, Construction	Surface	Producer	MRDS
Poonkinney Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Potter Valley Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Redwood Valley Pit and Mill	Sand and Gravel, Construction	Underground	Producer	MRDS
Rorabaugh Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Rose	Manganese		Producer	MRDS
Rowlands Bar Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Second Crossing Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Shaw and Mathews	Manganese		Producer	MRDS
Skagg's Springs Deposit	Manganese		Producer	MRDS
South Thomas	Manganese		Producer	MRDS
Southard Ranch	Magnesite		Producer	MRDS
Ten Mile River Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Thomas Round Mountain	Manganese		Producer	MRDS
Thomas-Round Mountain	Manganese		Producer	MRDS
Unnamed Thermal Spring	Geothermal	Geothermal	Producer	MRDS
Valley Oaks Ranch Mine Janusz B Prospect Janusz Mining Co.	Mercury		Producer	MRDS
Westport Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Wild Devil Waldteufel	Manganese		Producer	MRDS
Willits Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Willits Ready Mix	Sand and Gravel, Construction	Surface	Producer	MRDS
Wishbone Claim	Manganese	Underground	Producer	MRDS
York Creek Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Young	Manganese		Producer	MRDS
Anderson Valley	Mercury		Unknown	MRDS
Anderson Valley Placer	Mercury, Gold, Platinum, Iridium, Zirconium		Occurrence	MRDS
Ash Hollow			Occurrence	MRDS
Ash Hollow Prospect			Occurrence	MRDS
Bald Hills Quarry	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Bell Valley	Nickel		Occurrence	MRDS
Bereton Mine		Surface-Underground	Past Producer	MRDS
Bevins-Busch Claim		Surface-Underground	Past Producer	MRDS
Big Bend			Occurrence	MRDS
Big Bend Claims			Occurrence	MRDS
Big River Rock Co	Construction Sand and Gravel	Surface	Abandoned	MSHA
Blue Ridge Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Boy Edgar	Gold		Occurrence	MRDS
Boy Edgar	Gold	Underground	Unknown	MRDS
Brereton Ew Year, Old Country	Manganese		Past Producer	MRDS
Buck Ridge			Occurrence	MRDS
Buck Ridge Prospect			Occurrence	MRDS
C A Haun and Son	Sand and Gravel, Construction	Processing Plant	Past Producer	MRDS
C W Johnson Prospect	Clay	Surface	Unknown	MRDS
C. W. Johnson Prospect	Chromium		Occurrence	MRDS
Callizo	Manganese		Occurrence	MRDS
Callizo Prospect		Surface	Prospect	MRDS
Calpella	Osmium, Iridium, Platinum, Gold		Occurrence	MRDS
Calpella	Platinum		Occurrence	MRDS
Cinco De Mayo Claims			Occurrence	MRDS
Cinco Demayo			Occurrence	MRDS
Cleland Bar	Construction Sand and Gravel	Surface	Abandoned	MSHA
Cleveland Homestead			Occurrence	MRDS
Cleveland Prospect		Surface	Prospect	MRDS
Coleman Prospect	Manganese		Occurrence	MRDS
Consolidated Claims		Surface-Underground	Prospect	MRDS
Copper Prospect	Manganese	Surface	Unknown	MRDS
Coursey Bros.			Prospect	MRDS
Coursey Brothers Prospect		Surface-Underground	Prospect	MRDS
Covelo Jade Nos 1 2 3 4	Gemstone		Occurrence	MRDS
Covelo Jade, Nos. 1, 2, 3, 4	Gemstone		Occurrence	MRDS
Crawford	Chromium		Occurrence	MRDS
Crawford	Clay		Occurrence	MRDS
Deep Hole			Occurrence	MRDS
Dorn Prospect		Surface	Prospect	MRDS
Earl W. Long Prospect		Surface	Prospect	MRDS
Eden Valley	Copper		Occurrence	MRDS
Empress	Mercury		Occurrence	MRDS
Empress	Mercury	Underground	Prospect	MRDS
F J Long Prospect		Surface	Prospect	MRDS
F. J. Long	Manganese		Prospect	MRDS
Faucher Mine		Surface-Underground	Prospect	MRDS
Fischer Deposit	Manganese		Occurrence	MRDS
Fisher A. Fisher			Occurrence	MRDS
Fisher Prospect			Occurrence	MRDS
Fisher Ranch	Limestone, General	Surface	Past Producer	MRDS
Foster Mountain		Surface-Underground	Past Producer	MRDS
Foster Mountain Independent, Busch, Lucky Boy	Manganese		Past Producer	MRDS
Geo Plant	Construction Sand and Gravel	Surface	Intermittent	MSHA
Gibson	Stone, Dimension	Well	Unknown	MRDS
Graham			Occurrence	MRDS
Graham Group	Clay		Prospect	MRDS
Graham Prospect			Occurrence	MRDS
Greenwood Aggregates	Sand, Industrial NEC	Surface	Intermittent	MSHA
Guthrie Group	Clay		Occurrence	MRDS
Guthrie Group Big Red Mountain, Mitty, Merle, Last Chance, Surprise	Chromium		Occurrence	MRDS
Hale	Manganese		Prospect	MRDS
Hale Prospect		Surface-Underground	Prospect	MRDS
Harms			Prospect	MRDS
Harms Brothers	Sand and Gravel, Construction	Surface	Prospect	MRDS
Harms Prospect		Surface	Prospect	MRDS
Heughes Fredrika			Prospect	MRDS
Heughes Prospect		Surface	Prospect	MRDS
Hinrichs			Occurrence	MRDS
Hinrichs Property		Surface-Underground	Prospect	MRDS
Hixon Ranch	Manganese		Occurrence	MRDS
Hixon Ranch Vassar Ranch	Magnesite		Occurrence	MRDS
Hopper			Occurrence	MRDS
Hopper Prospect			Occurrence	MRDS
Impassable Rock	Manganese		Occurrence	MRDS
Impassable Rock Deposit		Surface	Prospect	MRDS
Jade Placers Nos. 1, 2, 3, and 4	Gemstone		Occurrence	MRDS
Jade Placers, No. 1, 2, 3, 4	Gemstone		Occurrence	MRDS
John L McNabb	Graphite		Occurrence	MRDS
John L. McNabb	Graphite		Occurrence	MRDS
Johnson Pit	Construction Sand and Gravel	Surface	Intermittent	MSHA
Jump Off Creek			Occurrence	MRDS
Jumpoff Claims		Underground	Prospect	MRDS
Knight Prospect		Surface	Prospect	MRDS
Laytonville Rock	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Leach Lake Mountain Claims			Occurrence	MRDS
Leap Prospects		Surface	Prospect	MRDS
Leech Lake Mountain, Line Gulch			Occurrence	MRDS
Leep			Prospect	MRDS
Leona			Past Producer	MRDS
Liberty			Occurrence	MRDS
Liberty Claim			Occurrence	MRDS
Linser Mine		Surface	Past Producer	MRDS
Little Red Mountain Dunn	Chromium		Occurrence	MRDS
Lloyd	Chromium		Occurrence	MRDS
Lloyd	Clay	Surface-Underground	Unknown	MRDS
Lone Fir	Manganese		Occurrence	MRDS
Lone Fir	Manganese		Occurrence	MRDS
Lone Tree			Occurrence	MRDS
Lone Tree Claim		Surface	Prospect	MRDS
Long, Earl W. Woodman Station, Happy Four Last Chance			Prospect	MRDS
Lucky Strike	Construction Sand and Gravel	Surface	Abandoned	MSHA
M. G. Morrison			Prospect	MRDS
McClendon Prospect			Past Producer	MRDS
McGimpsey			Occurrence	MRDS
McGimpsey Prospect	Copper		Unknown	MRDS
McLaughlin Blands Cove	Manganese		Occurrence	MRDS
McLaughlin Blands Cove			Occurrence	MRDS
McLaughlin Claims		Surface	Prospect	MRDS
Mendocino	Clay		Occurrence	MRDS
Mendocino Aggregates	Construction Sand and Gravel	Surface	Abandoned	MSHA
Mendocino Co. No.136		Surface	Past Producer	MRDS
Mendocino Mining & Milling Co Inc	Platinum	Placer	Occurrence	MRDS
Michaels		Surface	Prospect	MRDS
Michaels, Roman and Weeks	Manganese		Occurrence	MRDS
Montezuma Improvement Co	Manganese		Occurrence	MRDS
Montezuma Improvement Co.			Occurrence	MRDS
Moore	Chromium		Occurrence	MRDS
Moore	Clay		Occurrence	MRDS
Morrison	Manganese		Occurrence	MRDS
Morrison Prospects		Surface	Prospect	MRDS
Mrs. Knight Prospect			Occurrence	MRDS
Norcal	Construction Sand and Gravel	Surface	Abandoned	MSHA
Native Copper			Occurrence	MRDS
Native Copper	Copper	Underground	Unknown	MRDS
Nowlin Mine		Surface-Underground	Past Producer	MRDS
Occident Prospect	Mercury		Past Producer	MRDS
Occidental	Mercury		Occurrence	MRDS
Ocean View			Occurrence	MRDS
Ocean View Deposit			Occurrence	MRDS
Ogle			Occurrence	MRDS
Olge	Copper		Occurrence	MRDS
Ornbaun Springs	Geothermal	Well	Unknown	MRDS
Orrs Hot Spring	Geothermal	Well	Unknown	MRDS
Pepperwood Creek	Mercury		Occurrence	MRDS
Pepperwood Creek	Mercury		Occurrence	MRDS
Pieta Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Pine Mountain Pieta Creek			Prospect	MRDS
Pine Mountain Prospects		Surface-Underground	Prospect	MRDS
Plets	Copper		Occurrence	MRDS
Point Arena Hot Spring	Geothermal	Well	Unknown	MRDS
Portable	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Prospects	Graphite		Occurrence	MRDS
Rattlesnake	Iron		Occurrence	MRDS
Rattlesnake Ukiah	Manganese		Past Producer	MRDS
Red Mountain	Copper		Past Producer	MRDS
Red Mountain	Copper	Surface-Underground	Occurrence	MRDS
Red Mountain Asbestos	Asbestos		Prospect	MRDS
Red Mountain Creek	Chromium		Occurrence	MRDS
Red Mountain Creek	Clay		Occurrence	MRDS
Red Mountain Laterite	Nickel, Cobalt		Prospect	MRDS
Red Mtn., Little Red Mtn.			Occurrence	MRDS
Red Rock Quarry	Construction Sand and Gravel	Surface	Abandoned	MSHA
Redwood Copper Queen	Copper		Past Producer	MRDS
Redwood Copper Queen	Copper	Surface	Occurrence	MRDS
Reported Occurrence	Gemstone		Occurrence	MRDS
Reported Occurrence	Gemstone		Occurrence	MRDS
Rhodes and Hurt			Occurrence	MRDS
Rhodes and Hurt Prospect			Occurrence	MRDS
Rhodochrosite Claims	Manganese		Unknown	MRDS
Rose Mine		Surface	Past Producer	MRDS
Rowlison			Occurrence	MRDS
Rowlison Prospect			Occurrence	MRDS
Russel Prospect	Mercury		Occurrence	MRDS
Russel Prospect	Mercury		Unknown	MRDS
Salinger	Manganese		Prospect	MRDS
Salinger Prospect		Surface	Prospect	MRDS
Scott			Occurrence	MRDS
Scott Claim		Surface	Prospect	MRDS
Shaw	Manganese		Occurrence	MRDS
Shaw and Matthews Mine		Surface-Underground	Past Producer	MRDS
Shell Rock			Occurrence	MRDS
Shell Rock Deposits			Prospect	MRDS
Sherwood Rd Quarry	Construction Sand and Gravel	Surface	Intermittent	MSHA
Shields	Chromium		Occurrence	MRDS
Shields	Clay		Occurrence	MRDS
Shuster Quarry	Construction Sand and Gravel	Surface	Abandoned	MSHA
Skull Mountain Manganese Deposits	Manganese	Underground	Prospect	MRDS
South Thomas		Surface-Underground	Past Producer	MRDS
Southard Ranch	Manganese	Surface	Occurrence	MRDS
Spy Rock Guthrie			Occurrence	MRDS
Spy Rock Prospect		Surface	Prospect	MRDS
Star			Occurrence	MRDS
Star Claim			Occurrence	MRDS
Sugar Pine	Chromium		Occurrence	MRDS
Sugar Pine	Chromium		Unknown	MRDS
Summer Camp			Occurrence	MRDS
Summer Camp			Occurrence	MRDS
Ten Mile River Plant	Construction Sand and Gravel	Surface	Intermittent	MSHA
Thatcher Creek			Occurrence	MRDS
Thatcher Creek Prospects			Occurrence	MRDS
The Young Mine		Surface	Prospect	MRDS
Thomas			Occurrence	MRDS
Thomas	Copper		Occurrence	MRDS
Thomas Mine		Surface-Underground	Past Producer	MRDS
Travers	Manganese		Occurrence	MRDS
Travers			Unknown	MRDS
Two Trees	Manganese		Occurrence	MRDS
Two Trees Prospect			Occurrence	MRDS
United Nations	Chromium		Occurrence	MRDS
United Nations	Chromium		Unknown	MRDS
Unknown	Stone		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Mercury		Occurrence	MRDS
Unknown			Occurrence	MRDS
Unknown	Manganese		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unnamed	Mineral Pigments		Occurrence	MRDS
Unnamed	Stone	Surface	Unknown	MRDS
Unnamed Deposit	Chromium		Occurrence	MRDS
Unnamed Location	Clay		Occurrence	MRDS
Unnamed Location	Clay		Occurrence	MRDS
Unnamed Location	Clay		Occurrence	MRDS
Unnamed Location	Manganese		Occurrence	MRDS
Unnamed Location	Stone		Occurrence	MRDS
Usal Deposits			Occurrence	MRDS
Usal Manganese Deposits			Occurrence	MRDS
Valley Oaks Ranch Mine	Mercury	Surface	Prospect	MRDS
Van Allen	Gold		Occurrence	MRDS
Van Allen	Gold	Underground	Unknown	MRDS
Vichy Springs	Geothermal	Well	Unknown	MRDS
Von Konsky	Manganese		Occurrence	MRDS
Von Konsky			Unknown	MRDS
Warbonnet Rock Products	Construction Sand and Gravel	Surface	Abandoned	MSHA
Western Graphite Co	Graphite	Surface	Unknown	MRDS
Western Graphite Co.	Graphite		Occurrence	MRDS
Whipple			Occurrence	MRDS
Whipple Prospect	Copper	Surface	Unknown	MRDS
Wild Devil Mine		Surface-Underground	Past Producer	MRDS
Wilsey Ranch Quarry	Construction Sand and Gravel	Surface	Intermittent	MSHA
Wishbone			Occurrence	MRDS
Wishbone Deposit		Underground	Prospect	MRDS
Young Mine	Manganese	Surface	Unknown	MRDS