Browse mineral resources

Black Bolt Claim

Occurrence •

Black Mike Claim

Occurrence •

Brinkerhoffer Mine

Producer • Manganese

Buckeye Mine

Producer • Manganese

Crocker Prospect

Occurrence • Manganese

Cummings Lease

Producer • Manganese

Grayson Claim

Occurrence • Manganese

Grummett-Knox Mine

Producer • Manganese

Hammond Prospect

Occurrence •

Jake Smith Mine

Producer • Manganese

Magnesia Camp

Occurrence •

Mary Lou No. 1

Occurrence •

Mezzero Deposit

Producer • Manganese

Moran Brothers Mine

Producer • Manganese

Sulphur Gulch

Occurrence •

Summit Deposit

Producer • Manganese

Thompson Brothers

Producer • Manganese

California Ocher Mining Co.

Occurrence • Mineral Pigments

Voyle

Past Producer • Mineral Pigments

Weidman Ranch

Occurrence • Mineral Pigments

La Grange

Producer • Gold

Crocker - Winship

Occurrence • Mercury

International

Past Producer • Mercury

Orestimba

Past Producer • Mercury

Newhall

Occurrence •

Phoenix Group

Past Producer • Mercury

Red Acres

Occurrence •

Adobe Canyon Group Deposits

Past Producer • Chromium

Black Bear Mine

Producer • Chromium

Chrome Camp Mine

Past Producer • Chromium

Hampton Mine

Producer • Chromium

Lucky Girl Mine

Past Producer • Chromium

Number Fire Group

Past Producer • Chromium

Platner Prospect

Past Producer • Chromium

Unnamed Prospect

Occurrence • Chromium

Oakdale-Knights Ferry

Producer • Gold

Buckeye

Producer • Manganese

Orestimba Mine and Mill

Past Producer • Sand and Gravel, Construction

Claim 14

Occurrence •

Lookout Claim

Occurrence •

Park Group

Occurrence •

Black Bart Mine Group

Past Producer • Chromium

Adobe

Past Producer • Mercury

Coast Manganese

Producer • Manganese

Gerber Deposit

Producer • Manganese

Hamilton Deposit

Producer • Manganese

Liberty Mine

Producer • Manganese

Section 23 Mine

Producer • Manganese

Sunbeam Manganese Mine

Producer • Manganese

Tip Top Mine

Producer • Manganese

Waterford

Producer • Gold

Waterford Pit

Occurrence • Gold

Plaster Sand Pit & Mill

Producer • Sand and Gravel, Construction

George & Wendell G Reed

Unknown • Sand and Gravel, Construction

Yuba Cons Gold Fields

Unknown • Gold

Black Bart Group

Past Producer •

Hodge Ranch Pit

Producer • Sand and Gravel, Construction

Atlas Rock Co

Unknown • Stone

Roberts Ferry Pit

Producer • Sand and Gravel, Construction

Unidentified Gravel Pit

Unknown • Sand and Gravel, Construction

Patterson Claim

Unknown •

Grummett-Knox Mine Group

Past Producer •

Don Pedro

Occurrence • Gold

Dredged Area

Occurrence • Gold

Frank B Marks and Sons

Producer • Sand and Gravel, Construction

International

Occurrence • Mercury

Waterford Pit

Past Producer • Sand and Gravel, Construction

None Such

Occurrence • Silver

Zacharias Road Pit

Producer • Sand and Gravel, Construction

Moran Bros. Mine

Past Producer •

Clay Pit

Occurrence • Clay

Gravel Pit

Unknown • Sand and Gravel, Construction

La Grange Dredge No 4

Past Producer • Gold

La Grange Borrow Pit

Producer • Sand and Gravel, Construction

Santa Fe Rock and Sand Co

Unknown • Stone, Dimension

Grayson Claim

Unknown •

Newman Pit

Producer • Sand and Gravel, Construction

Tuolumne Dredge

Unknown • Gold

Highline Claim

Occurrence • Manganese

Promberger Property

Unknown • Magnesite

Ardis Pit

Producer • Sand and Gravel, Construction

Graystone Block Co

Unknown • Sand and Gravel, Construction

Waterford Pit

Producer • Sand and Gravel, Construction

Chicago Claim / Black Wonder

Occurrence • Manganese

Weidman Ranch Deposit

Occurrence • Stone, Crushed/Broken

Unnamed Location

Unknown • Gold

Tuolumne Dredge

Occurrence • Gold

Placer Properties Co

Unknown • Gold

J C Scanlon

Unknown • Sand and Gravel, Construction

Hammond

Occurrence • Silica

Unidentified Prospect

Occurrence • Manganese

Red Acres Quicksilver Mine

Past Producer • Silver

Putnam Sand and Gravel Co

Unknown • Sand and Gravel, Construction

Brown Group

Past Producer • Manganese

Simon Newman Co Deposit

Occurrence • Diatomite

Toni Francisco

Occurrence • Sand and Gravel, Construction

Pits

Unknown • Clay

Frymiers Ranch

Past Producer • Gold

Diatomite Occurrence

Past Producer • Diatomite

Warner Pit

Producer • Sand and Gravel, Construction

Number 5 Group

Past Producer •

Pits

Unknown • Clay

Gravel Products Co

Unknown • Sand and Gravel, Construction

Tip Top

Past Producer •

Patterson Claim / Black Wonder

Occurrence • Manganese

Marks Gravel Pit

Producer • Sand and Gravel, Construction

Winkler Property

Occurrence • Clay

Liberty Mine

Prospect •

Hickman Pit

Producer • Sand and Gravel, Construction

Gagax

Occurrence • Mercury

Ingram Canyon Mine

Unknown • Manganese

Brinkerhoffer Mine

Past Producer •

C V Skove and J Wychopin

Unknown • Sand and Gravel, Construction

Base Materials Co

Unknown • Pumice

Cooperstown Deposits

Unknown • Clay

Schmidt Pit

Producer • Sand and Gravel, Construction

C F Vanciel

Unknown • Gold

Copper Mtn and Wild West

Occurrence • Copper

Adobe Valley

Occurrence • Mercury

J J Cummings and Thos Wolf

Occurrence • Silica

Dell Neo Mng Co

Occurrence • Gold

Adobe Canyon Group

Past Producer •

Unidentified Workings

Occurrence • Chromium

Ingram Section 18

Unknown •

Putnam Sand and Gravel

Producer • Sand and Gravel, Construction

Ohe S Gravel Pit

Producer • Sand and Gravel, Construction

Lucky Girl

Past Producer •

Red Mountain

Unknown • Magnesite

Bartlett Ranch

Occurrence • Stone, Crushed/Broken

Charles Warner

Unknown • Sand and Gravel, Construction

Standard Materials

Past Producer • Gold

Los Banos Pit

Producer • Sand and Gravel, Construction

Jake Smith Prospect

Past Producer •

American Sand and Gravel

Producer • Sand and Gravel, Construction

Dredged Areas

Unknown • Gold

Park Group

Past Producer • Iron

Murmac No. 1 & 2

Occurrence • Manganese

Sunbeam Manganese Mine

Past Producer •

Magnesia Camp

Prospect •

Calif Gold Dredging Co

Unknown • Gold

Summit

Unknown • Mercury

Cummings Lease

Unknown • Manganese

Reported Occurrence

Unknown • Silver

Gravel Pit

Unknown • Sand and Gravel, Construction

Hammond

Occurrence • Manganese

Gravel Pit

Unknown • Sand and Gravel, Construction

Crooker Pit

Producer • Sand and Gravel, Construction

Sulphur Gulch

Prospect •

Coast Manganese Mine

Past Producer •

Chicago Claim

Unknown •

Section 23 Mine

Past Producer •

Calif Gold Dredging Co

Unknown • Gold

Gravel Pits

Past Producer • Sand and Gravel, Construction

C and E Dredging Co

Unknown • Gold

Knights Ferry Pit

Unknown • Sand and Gravel, Construction

Gerber Deposit

Past Producer •

Quarry

Unknown • Stone

Reported Occurrence

Occurrence • Silver

7-11 Pit and Mill

Producer • Sand and Gravel, Construction

Black Mike

Past Producer • Manganese

Kraftile Clay Deposit

Occurrence • Clay

Dredged Areas

Occurrence • Gold

Crocker Prospect

Occurrence •

Mercury Prospect

Occurrence • Mercury

Platner

Past Producer •

Chepraco

Past Producer • Gold

Buckeye Mine

Past Producer •

Waterford Pit

Producer • Sand and Gravel, Construction

Hamilton Deposit

Past Producer •

Crocker-Winship

Occurrence • Mercury

Tailings

Occurrence • Gold

Unidentified Prospects

Occurrence • Gold

Hamilton Estate

Occurrence • Stone, Dimension

Hughson Gravel Plant

Producer • Sand and Gravel, Construction

Oakdale Rock Plant

Unknown • Sand and Gravel, Construction

Cedar Tree

Unknown • Magnesite

Bald Eagle

Occurrence • Magnesite

Unidentified Adits

Unknown • Magnesite

Low App Group

Past Producer • Manganese

Manganese Prospect

Occurrence • Manganese

Alto

Unknown • Gold

Johnson Brothers

Unknown • Sand and Gravel, Construction

High Line Claim

Unknown •

Tuolumne Pit

Producer • Sand and Gravel, Construction

California Ochre Mining Co

Occurrence • Stone, Crushed/Broken

La Grange Gold Dredging Co

Occurrence • Gold

La Grange

Unknown • Gold

Summit Mine

Past Producer •

Black Bear

Past Producer •

Chrome Camp

Past Producer •

Cree Ranch Pit

Producer • Sand and Gravel, Construction

Orestimba

Unknown • Mercury

Reported Occurrence

Occurrence • Magnesite

Clear Creek

Past Producer •

G. L. Fenster

Occurrence • Magnesite

California Gold Dredge

Past Producer • Gold

Voyle

Occurrence • Stone, Crushed/Broken

La Grange Pit

Producer • Sand and Gravel, Construction

Winegar Prospect

Occurrence • Mercury

Red Acres Mine

Past Producer • Mercury

Choat Pit and Mill

Unknown • Sand and Gravel, Construction

California Gold Dredge

Past Producer • Gold

Unnamed Location

Occurrence • Clay

Orestimba Creek Pit

Producer • Sand and Gravel, Construction

Hampton

Occurrence • Chromium

Knights Ferry

Unknown • Gold

W J Hammonds

Occurrence • Manganese

La Grange District

Producer • Gold