Browse mineral resources

Jump Off Creek

Occurrence •

Two Trees

Occurrence • Manganese

Shaw and Mathews

Producer • Manganese

Unknown

Occurrence • Stone

Salinger

Prospect • Manganese

Unknown

Occurrence • Chromium

Boy Edgar

Occurrence • Gold

Red Mountain

Past Producer • Copper

Graham Group

Producer • Chromium

Lone Tree

Occurrence •

Rattlesnake Ukiah

Past Producer • Manganese

Hopper

Occurrence •

Thatcher Creek

Occurrence •

Lone Fir

Occurrence • Manganese

Unnamed Deposit

Occurrence • Chromium

Shields

Occurrence • Chromium

Michaels, Roman and Weeks

Producer • Manganese

Big Bend

Occurrence •

Brereton Ew Year, Old Country

Past Producer • Manganese

Mclaughlin Blands Cove

Occurrence •

Star

Occurrence •

Crawford

Occurrence • Chromium

C. W. Johnson Prospect

Occurrence • Chromium

Mcgimpsey

Occurrence •

Callizo

Occurrence • Manganese

Prospects

Occurrence • Graphite

Mcclendon Ranch

Producer • Manganese

Cleveland Homestead

Occurrence •

Fisher A. Fisher

Occurrence •

Wild Devil Waldteufel

Producer • Manganese

Travers

Occurrence • Manganese

Thomas Round Mountain

Producer • Manganese

Leona

Producer • Manganese

Heughes Fredrika

Prospect •

Foster Mountain Independent, Busch, Lucky Boy

Past Producer • Manganese

Scott

Occurrence •

Hinrichs

Occurrence •

Dorn

Producer • Manganese

Thomas

Occurrence •

Deep Hole

Occurrence •

Ocean View

Occurrence •

Morrison

Occurrence • Manganese

Rhodes and Hurt

Occurrence •

Ash Hollow

Occurrence •

Moore

Occurrence • Chromium

Coursey Bros.

Prospect •

Young

Producer • Manganese

Rowlison

Occurrence •

Von Konsky

Occurrence • Manganese

Unknown

Occurrence • Mercury

Whipple

Occurrence •

Rose

Producer • Manganese

F. J. Long

Prospect • Manganese

Western Graphite Co.

Occurrence • Graphite

Spy Rock Guthrie

Occurrence •

Shell Rock

Occurrence •

Lloyd

Occurrence • Chromium

Sugar Pine

Occurrence • Chromium

Little Red Mountain Dunn

Occurrence • Chromium

United Nations

Occurrence • Chromium

Unknown

Occurrence • Chromium

Reported Occurrence

Occurrence • Gemstone

Fischer Deposit

Occurrence • Manganese

Mrs. Knight Prospect

Occurrence •

Usal Manganese Deposits

Occurrence •

Native Copper

Occurrence •

Calpella

Occurrence • Gold, Platinum, Iridium, Osmium

Anderson Valley Placer

Occurrence • Mercury, Gold, Platinum, Iridium, Zirconium

Pepperwood Creek

Occurrence • Mercury

Russel Prospect

Occurrence • Mercury

Occident Prospect

Past Producer • Mercury

Empress

Producer • Mercury

Red Mtn., Little Red Mtn.

Occurrence •

Thomas-Round Mountain

Producer • Manganese

Red Mountain Creek

Occurrence • Chromium

Buck Ridge

Occurrence •

Cinco Demayo

Occurrence •

Ogle

Occurrence •

Liberty

Occurrence •

Summer Camp

Occurrence •

Wishbone

Occurrence •

Impassable Rock

Occurrence • Manganese

Hale

Prospect • Manganese

M. G. Morrison

Prospect •

Harms

Prospect •

Leep

Prospect •

Redwood Copper Queen

Past Producer • Copper

Linser

Producer • Manganese

Cooper

Producer • Manganese

Bevins-Busch

Producer • Manganese

Faucher

Producer • Manganese

South Thomas

Producer • Manganese

Southard Ranch

Producer • Magnesite

Nowlin

Producer • Manganese

Bevins-Busch Claim

Past Producer •

Star Claim

Occurrence •

Hopper Prospect

Occurrence •

Lloyd

Unknown • Clay

Camp 5 Pit

Producer • Sand and Gravel, Construction

Rhodochrosite Claims

Unknown • Manganese

Scott Claim

Prospect •

York Creek Quarry

Producer • Stone, Crushed/Broken

Mendocino

Occurrence • Clay

Jade Placers Nos. 1, 2, 3, and 4

Occurrence • Gemstone

Nowlin Mine

Past Producer •

Fisher Ranch

Past Producer • Limestone, General

Mendocino Co. No.136

Past Producer •

F J Long Prospect

Prospect •

Red Mountain Creek

Occurrence • Clay

Skull Mountain Manganese Deposits

Prospect • Manganese

Shell Rock Deposits

Prospect •

Travers

Unknown •

Hinrichs Property

Prospect •

Finnegan Bar

Producer • Sand and Gravel, Construction

Calpella

Occurrence • Platinum

Native Copper

Unknown • Copper

Second Crossing Pit

Producer • Sand and Gravel, Construction

Jumpoff Claims

Prospect •

Red Mountain

Occurrence • Copper

Red Mountain Asbestos

Prospect • Asbestos

Graham Prospect

Occurrence •

Arnold Pit

Producer • Sand and Gravel, Construction

Hamm Bar

Producer • Sand and Gravel, Construction

Bielenberg Bar

Producer • Sand and Gravel, Construction

Lone Fir

Occurrence • Manganese

Rose Mine

Past Producer •

Two Trees Prospect

Occurrence •

Usal Deposits

Occurrence •

Rowlison Prospect

Occurrence •

Orrs Hot Spring

Unknown • Geothermal

Earl W. Long Prospect

Prospect •

Southard Ranch

Occurrence • Manganese

Pepperwood Creek

Occurrence • Mercury

Eden Valley

Occurrence • Copper

Michaels

Prospect •

Covelo Jade Nos 1 2 3 4

Occurrence • Gemstone

Eel River Bar

Producer • Sand and Gravel, Construction

Red Mountain Laterite

Prospect • Cobalt, Nickel

Harms Brothers

Prospect • Sand and Gravel, Construction

Morrison Prospects

Prospect •

Liberty Claim

Occurrence •

Skag* Springs Deposit

Producer • Manganese

Knight Prospect

Prospect •

Westport Quarry

Producer • Stone, Crushed/Broken

Unnamed Location

Occurrence • Clay

Unnamed Location

Occurrence • Clay

Unnamed Location

Occurrence • Clay

Hale Prospect

Prospect •

Longvale Plant

Producer • Sand and Gravel, Construction

Diamond H, Ranch Quarry

Producer • Stone, Crushed/Broken

Freitas Pit and Mill

Producer • Sand and Gravel, Construction

Cooks Valley Bar

Producer • Sand and Gravel, Construction

Linser Mine

Past Producer •

Bell Valley

Occurrence • Nickel

Alderson Bar

Producer • Sand and Gravel, Construction

Rattlesnake

Occurrence • Iron

Krueger Quarry

Producer • Stone, Crushed/Broken

Unnamed Location

Occurrence • Manganese

Leona

Past Producer •

Wishbone Deposit

Prospect •

Harris Quarry

Producer • Stone, Crushed/Broken

Copper Prospect

Unknown • Manganese

Graham Group

Prospect • Clay

Foster Mountain

Past Producer •

Van Allen

Occurrence • Gold

Graham

Occurrence •

Unnamed

Occurrence • Mineral Pigments

John L. Mcnabb

Occurrence • Graphite

Mclaughlin Blands Cove

Occurrence • Manganese

Covelo Jade, Nos. 1, 2, 3, 4

Occurrence • Gemstone

Jade Placers, No. 1, 2, 3, 4

Occurrence • Gemstone

Michaels, Roman and Weeks

Occurrence • Manganese

Hixon Ranch Vassar Ranch

Occurrence • Magnesite

Hopland Quarry

Producer • Stone, Crushed/Broken

Mclaughlin Claims

Prospect •

Hopland Bar

Producer • Sand and Gravel, Construction

Hel* Half Acre Quarry

Producer • Stone

Guntley Quarry No. 1

Producer • Stone, Crushed/Broken

Ocean View Deposit

Occurrence •

Harms Prospect

Prospect •

Ford Canyon Quarry

Producer • Stone, Crushed/Broken

Poonkinney Quarry

Producer • Stone, Crushed/Broken

Oberfeld Shale Quarry

Producer • Stone, Crushed/Broken

Young Mine

Unknown • Manganese

Callizo Prospect

Prospect •

Mill Creek Bar

Producer • Sand and Gravel, Construction

Boy Edgar

Unknown • Gold

Russel Prospect

Unknown • Mercury

Baxman Gravel Co

Producer • Sand and Gravel, Construction

Ash Hollow Prospect

Occurrence •

Olge

Occurrence • Copper

Rhodes and Hurt Prospect

Occurrence •

Consolidated Claims

Prospect •

Mcgimpsey Prospect

Unknown • Copper

Guthrie Group

Occurrence • Clay

Valley Oaks Ranch Mine

Prospect • Mercury

George Watkins

Producer • Sand and Gravel, Construction

Diamond H. Ranck Quarry

Producer • Stone

Bereton Mine

Past Producer •

Garcia Creek Pit & Mill

Producer • Sand and Gravel, Construction

Longvale Plant

Producer • Sand and Gravel, Construction

Empress

Occurrence • Mercury

Thatcher Creek Prospects

Occurrence •

Vichy Springs

Unknown • Geothermal

Shields

Occurrence • Clay

Redwood Valley Pit and Mill

Producer • Sand and Gravel, Construction

Garcia River Bar

Producer • Sand and Gravel, Construction

Outlet Creek Bar

Producer • Sand and Gravel, Construction

Feliz Creek Bar

Producer • Sand and Gravel, Construction

Fisher Prospect

Occurrence •

Wild Devil Mine

Past Producer •

Legal Bridge Bar

Producer • Sand and Gravel, Construction

Plets

Occurrence • Copper

Rorabaugh Quarry

Producer • Stone, Crushed/Broken

Big Bend Claims

Occurrence •

Whipple Prospect

Unknown • Copper

Unnamed Location

Occurrence • Stone

Bradford Bar

Producer • Sand and Gravel, Construction

Occidental

Occurrence • Mercury

Buck Ridge Prospect

Occurrence •

C W Johnson Prospect

Unknown • Clay

Ica Plant Bar

Producer • Sand and Gravel, Construction

Unnamed

Unknown • Stone

Boonville Quarry

Producer • Stone, Crushed/Broken

Cinco De Mayo Claims

Occurrence •

Coleman Prospect

Occurrence • Manganese

Crawford

Occurrence • Clay

Eel River Bar

Producer • Sand and Gravel, Construction

Spy Rock Prospect

Prospect •

Redwood Copper Queen

Occurrence • Copper

Cable Creek Bar

Producer • Sand and Gravel, Construction

Dorn Prospect

Prospect •

Empress

Prospect • Mercury

*rien Shale Quarry

Producer • Stone, Crushed/Broken

Point Arena Hot Spring

Unknown • Geothermal

Thomas

Occurrence • Copper

Mcclendon Prospect

Past Producer •

Wishbone Claim

Producer • Manganese

Miles Bar No. 2

Producer • Sand and Gravel, Construction

Freitas Pit

Producer • Sand and Gravel, Construction

Cleveland Prospect

Prospect •

South Thomas

Past Producer •

Willits Ready Mix

Producer • Sand and Gravel, Construction

United Nations

Unknown • Chromium

Parnum Paving Co

Producer • Sand and Gravel, Construction

Longvale Bar

Producer • Sand and Gravel, Construction

Leap Prospects

Prospect •

Potter Valley Quarry

Producer • Stone, Crushed/Broken

Harms Brothers Sand and Gravel

Producer • Sand and Gravel, Construction

The Young Mine

Prospect •

Unnamed Thermal Spring

Producer • Geothermal

Ellison Gravel Company

Producer • Sand and Gravel, Construction

Austin Ranch Pit

Producer • Sand and Gravel, Construction

Mattern Pit and Mill

Producer • Sand and Gravel, Construction

Anderson Valley

Unknown • Mercury

Hixon Ranch

Occurrence • Manganese

Montezuma Improvement Co

Occurrence • Manganese

Willits Quarry

Producer • Stone, Crushed/Broken

Summer Camp

Occurrence •

Ten Mile River Pit

Producer • Sand and Gravel, Construction

Salinger Prospect

Prospect •

Thomas Mine

Past Producer •

Sugar Pine

Unknown • Chromium

Shaw and Matthews Mine

Past Producer •

Heughes Prospect

Prospect •

Von Konsky

Unknown •

Rowlands Bar Pit

Producer • Sand and Gravel, Construction

Mendocino Mining & Milling Co Inc

Occurrence • Platinum

Faucher Mine

Prospect •

John L Mcnabb

Occurrence • Graphite

Ornbaun Springs

Unknown • Geothermal

Gibson

Unknown • Stone, Dimension

Western Graphite Co

Unknown • Graphite

Hopland Quarry

Producer • Stone, Crushed/Broken

C A Haun and Son

Past Producer • Sand and Gravel, Construction

Shaw

Occurrence • Manganese

Moore

Occurrence • Clay

Lone Tree Claim

Prospect •

Ciancio Bar

Producer • Sand and Gravel, Construction

Reported Occurrence

Occurrence • Gemstone

Van Allen

Unknown • Gold