Mines in Sonoma County, California

Sonoma County, California has 440 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 110 of these are currently active mining operations. The most commonly recorded commodity is mercury, with 93 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Sonoma County

Mine	Commodity	Type	Status	Source
Blue Rock Quarry	Crushed, Broken Traprock	Surface	Active	MSHA
Canyon Rock Co Inc	Crushed, Broken Stone NEC	Surface	Active	MSHA
Diamond T Natural Resources, Llc	Crushed, Broken Stone NEC	Surface	Active	MSHA
Mark West Quarry	Crushed, Broken Stone NEC	Surface	Active	MSHA
Roblar Quarry Llc	Construction Sand and Gravel	Facility	Active	MSHA
Soiland Co., Inc.	Crushed, Broken Stone NEC	Surface	Active	MSHA
Afsten Sand Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Aho Mine	Manganese		Producer	MRDS
Alexander Valley Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Alexander Valley Bars	Sand and Gravel, Construction	Surface	Producer	MRDS
Annadel Farm	Perlite		Producer	MRDS
Austin Creek Pit	Stone, Crushed/Broken	Surface	Producer	MRDS
Bianchini Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Big Sulfur Creek Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Blue Rock Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Boyer Mine	Manganese		Producer	MRDS
Brooks Quarry	Stone	Surface	Producer	MRDS
Cambou Quarry	Stone, Crushed/Broken		Producer	MRDS
Candy Rock	Stone		Producer	MRDS
Cannon Quarry	Stone		Producer	MRDS
Canyon Rock Pit and Mill	Stone		Producer	MRDS
Canyon Rock Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Carano Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Chenoweth Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Cloverdale Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Culver Baer	Mercury		Producer	MRDS
Dillon and Seefeldt Deposit	Manganese		Producer	MRDS
Doyle Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Drake Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Dreamland	Mercury		Producer	MRDS
Dreamland Mine	Manganese		Producer	MRDS
Dry Creek Gravel Co	Sand and Gravel, Construction	Surface	Producer	MRDS
Esperanza	Mercury		Producer	MRDS
Fairville Quarry	Stone		Producer	MRDS
Felder	Stone		Producer	MRDS
Felder	Diatomite		Producer	MRDS
Garibaldi Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Gauer Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Gerberding	Stone		Producer	MRDS
Gerdes/garibaldi Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Geyserville Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Ghilotti Bros. - Marin Co.	Stone, Dimension	Surface	Producer	MRDS
Giovaninni Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Goodman Bros. Deposit	Diatomite		Producer	MRDS
Gordenker	Stone		Producer	MRDS
Grace Ranch Pit	Sand and Gravel, Construction		Producer	MRDS
Graham Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Gualala Aggregates	Sand and Gravel, Construction	Surface	Producer	MRDS
Gualala Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Guerneville Mine & Mill	Stone	Surface	Producer	MRDS
Hagemann Ranch Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Harold Groom Pit #2	Sand and Gravel, Construction	Surface	Producer	MRDS
Healdsburg Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Healdsburg Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Healdsburg Pit and Mill Plant No 2	Sand and Gravel, Construction	Surface	Producer	MRDS
Hein Bros. Basalt Rock Co.	Stone		Producer	MRDS
Hell's Half Acre Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Hgi Sand and Gravel Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hillside Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Inman Shale Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Jimtown Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Joulie Quarry	Stone		Producer	MRDS
Malnati Quarry	Stone		Producer	MRDS
Mark West Shale Quarry	Stone	Surface	Producer	MRDS
Mayacmas	Mercury		Producer	MRDS
McCutchan Ranch Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
McMurphy Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Meachim Hill	Stone		Producer	MRDS
Middle Reach Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Murphy Ranch Deposit	Mercury		Producer	MRDS
Nuns Canyon Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
O Connor	Stone		Producer	MRDS
Petaluma Hill Road	Stone, Crushed/Broken		Producer	MRDS
Petaluma Plant No. 7	Stone, Dimension		Producer	MRDS
Petaluma Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Quarry	Stone		Producer	MRDS
Rainbow	Stone		Producer	MRDS
Rainbow	Stone		Producer	MRDS
Richter Deposit	Diatomite		Producer	MRDS
River Oaks Ranch Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
River Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Rolando Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Rough Crossing Claim	Chromium		Producer	MRDS
Russian River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Saint Clair Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Shanks and Copps Claim	Chromium		Producer	MRDS
Skinner Ranch	Graphite		Producer	MRDS
Soda Rock Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Sonoma Creek Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Sonoma Rock Quarry	Stone	Surface	Producer	MRDS
South Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Spaletta Quarry	Sand and Gravel, Construction	Surface	Producer	MRDS
Stage Gulch Quarry , Inc.	Stone, Crushed/Broken	Surface	Producer	MRDS
Stony Point Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Stony Point Quarry and Mill	Stone		Producer	MRDS
Sweet/kuimelis Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Tatge Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Todd Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Trinity Quarry	Stone, Dimension	Surface	Producer	MRDS
Twin Bridges Section 2	Sand and Gravel, Construction	Surface	Producer	MRDS
Unnamed Location	Stone		Producer	MRDS
Unnamed Location	Gold		Producer	MRDS
Unnamed Location	Manganese		Producer	MRDS
Valley of the Moon	Stone, Crushed/Broken		Producer	MRDS
West Mayacmas District Report	Chromium, Mercury		Producer	MRDS
Westside Bridge Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Williams	Stone		Producer	MRDS
Windsor Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Zamaroni Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Zaney Gravels	Stone		Producer	MRDS
Absco Paving Co.	Sand and Gravel, Construction	Surface	Unknown	MRDS
Aho Mine		Surface	Past Producer	MRDS
Albertz Ranch Deposit	Magnesite	Surface	Unknown	MRDS
Altamont			Occurrence	MRDS
Altamont	Copper	Underground	Unknown	MRDS
Altamont Copper Group	Mercury, Copper		Occurrence	MRDS
Ann Belcher			Occurrence	MRDS
Annadel Farm	Perlite	Surface	Past Producer	MRDS
Anne Belcher	Mercury	Underground	Unknown	MRDS
Archambeau Prospect			Occurrence	MRDS
Archambeau Prospect		Surface	Prospect	MRDS
Archer	Copper		Past Producer	MRDS
Archer Tract	Copper	Surface	Unknown	MRDS
Bcj Mobile	Sand, Industrial NEC	Surface	Abandoned	MSHA
Baby Jack	Copper	Underground	Unknown	MRDS
Bacon Consolidated	Mercury	Underground	Past Producer	MRDS
Baker Ranch			Occurrence	MRDS
Baker Ranch			Occurrence	MRDS
Baldrini Prospect	Chromium	Underground	Unknown	MRDS
Barnes Mine	Chromium		Past Producer	MRDS
Barnes Mine		Underground	Past Producer	MRDS
Basalt Rock Co.	Sand and Gravel, Construction	Surface	Unknown	MRDS
Basalt Rock Co.	Stone	Surface	Unknown	MRDS
Basalt Rock Co.	Sand and Gravel, Construction	Surface	Unknown	MRDS
Black Bear	Mercury		Past Producer	MRDS
Black Oak	Mercury		Past Producer	MRDS
Black Oak # 1	Mercury	Surface-Underground	Unknown	MRDS
Black Ranch	Calcium	Surface	Unknown	MRDS
Bliss Creek	Sand and Gravel, Construction		Past Producer	MRDS
Bliss Creek	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bloomfield Quarry and Mill	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Blue Rock Pit and Mill	Stone, Dimension		Unknown	MRDS
Bohan & Canelis	Sand and Gravel, Construction	Surface	Unknown	MRDS
Boston			Occurrence	MRDS
Boston Group	Mercury	Surface-Underground	Prospect	MRDS
Boyer Mine		Underground	Prospect	MRDS
Brush	Magnesite		Occurrence	MRDS
Buckeye	Mercury		Past Producer	MRDS
Buckeye Mine	Mercury	Underground	Unknown	MRDS
Burgaus Ranch	Magnesite		Occurrence	MRDS
Burl Howell Quarry	Stone	Surface	Unknown	MRDS
Cambou Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Candy Rock	Stone	Surface	Past Producer	MRDS
Cannon Lane	Sand and Gravel, Construction		Past Producer	MRDS
Cannon Lane	Antimony	Surface	Past Producer	MRDS
Cannon Quarry	Stone	Surface	Past Producer	MRDS
Cinnabar King Group	Mercury		Past Producer	MRDS
Cinnaber King Group	Mercury	Underground	Unknown	MRDS
Clar Quarry	Stone	Surface	Unknown	MRDS
Clark Quarry	Stone	Surface	Unknown	MRDS
Cloverdale	Mercury		Past Producer	MRDS
Cloverdale	Mercury	Surface-Underground	Unknown	MRDS
Cloverdale Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Contact	Mercury		Past Producer	MRDS
Contact	Mercury	Underground	Unknown	MRDS
Cornucopia			Occurrence	MRDS
Crystal	Mercury		Past Producer	MRDS
Crystal	Mercury	Underground	Prospect	MRDS
Culver Bear	Mercury	Surface	Unknown	MRDS
Curmings	Magnesite	Underground	Unknown	MRDS
Denver	Mercury		Unknown	MRDS
Denver and Hope	Mercury		Past Producer	MRDS
Derrick Tin Prospect	Tin	Surface	Unknown	MRDS
Dewey S	Mercury	Underground	Unknown	MRDS
Dewey's	Mercury		Past Producer	MRDS
Dillon and Seefeldt	Manganese		Prospect	MRDS
Dillon and Seefeldt Manganese	Manganese	Underground	Past Producer	MRDS
Dinucci Quarry	Stone, Crushed/Broken	Surface	Unknown	MRDS
Dreamland Mine		Surface	Past Producer	MRDS
Eagle Rock	Mercury	Underground	Unknown	MRDS
Esperanza	Mercury	Underground	Unknown	MRDS
Eureka	Mercury		Past Producer	MRDS
Felder	Diatomite	Surface	Past Producer	MRDS
Flagstaff	Mercury	Surface-Underground	Unknown	MRDS
Foerchler	Manganese	Surface	Prospect	MRDS
Foerchler Prospect			Occurrence	MRDS
Foppiano Quarry	Stone		Occurrence	MRDS
Foss Prospect	Manganese		Occurrence	MRDS
Foss Prospect			Unknown	MRDS
Fowler Creek	Sand and Gravel, Construction		Past Producer	MRDS
Fowler Creek	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gaver Prospect	Chromium		Occurrence	MRDS
Geyser Quarry	Stone	Surface	Unknown	MRDS
Goodman Bros. Deposit	Diatomite	Surface	Past Producer	MRDS
Gordenker	Stone	Surface	Past Producer	MRDS
Grace Brothers, Inc.	Sand and Gravel, Construction		Occurrence	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Unknown	MRDS
Gravel Pit	Sand and Gravel, Construction	Surface	Unknown	MRDS
Gray Prospect			Occurrence	MRDS
Gray Prospect	Copper		Occurrence	MRDS
Great Northern	Mercury		Occurrence	MRDS
Great Northern	Mercury		Prospect	MRDS
Grizzly			Occurrence	MRDS
Grizzly	Copper	Underground	Unknown	MRDS
Guerneville	Mercury	Surface-Underground	Past Producer	MRDS
Harold Groom Trucking Inc.	Sand and Gravel, Construction	Surface	Unknown	MRDS
Hayden Prospect	Manganese		Occurrence	MRDS
Hayden Prospect			Unknown	MRDS
Healdsburg	Calcium	Underground	Unknown	MRDS
Healdsburg Lode	Copper	Surface	Unknown	MRDS
Healdsburg Main Plant	Construction Sand and Gravel	Facility	Abandoned	MSHA
Healdsburg Sand & Gravel	Construction Sand and Gravel	Surface	Abandoned	MSHA
Henry Doelger	Chromium	Surface	Unknown	MRDS
Holst-Weeks Prospect			Occurrence	MRDS
Holst-Weeks Prospect		Surface	Prospect	MRDS
Hooper Ranch	Iron		Occurrence	MRDS
Huntington Bros. General Contractrs	Stone	Surface	Unknown	MRDS
Joule Quarry	Stone	Surface	Past Producer	MRDS
Jumbo	Mercury		Past Producer	MRDS
Jumbo	Mercury	Surface	Unknown	MRDS
Kentuck	Mercury	Underground	Unknown	MRDS
Kissack	Mercury		Past Producer	MRDS
Kissack Prospect	Mercury	Surface	Unknown	MRDS
Kohlman Gulch	Calcium		Occurrence	MRDS
Last Chance	Mercury	Underground	Prospect	MRDS
Last Chance and Young Denver	Mercury		Past Producer	MRDS
Laton		Surface	Past Producer	MRDS
Laton Mine	Chromium		Past Producer	MRDS
Layton	Chromium		Unknown	MRDS
Lerberding	Stone	Surface	Past Producer	MRDS
Lind Marine Incorporated	Shell	Facility	Abandoned	MSHA
Livermore			Occurrence	MRDS
Livermore Quicksilver Mine	Mercury	Surface-Underground	Prospect	MRDS
Lookout	Mercury		Occurrence	MRDS
Lookout	Mercury		Unknown	MRDS
Lost Ledge and Mercuryville Divide	Mercury		Past Producer	MRDS
Madeira	Magnesite	Surface	Unknown	MRDS
Madeira Claim	Chromium		Occurrence	MRDS
Malnati Quarry	Stone	Surface	Past Producer	MRDS
Maricoma Quicksilver Mine	Mercury	Underground	Unknown	MRDS
Mark West Creek	Sand and Gravel, Construction	Surface	Unknown	MRDS
Mary Hurley			Occurrence	MRDS
Mary Hurley	Mercury		Unknown	MRDS
Maxwell Bros.	Sand and Gravel, Construction	Surface	Unknown	MRDS
McDonald			Occurrence	MRDS
McDonald Property			Occurrence	MRDS
McPherson Ranch	Chromium		Occurrence	MRDS
Meachim Hill	Stone	Surface	Past Producer	MRDS
Meaker Ranch	Magnesite	Underground	Unknown	MRDS
Meeker Ocher Deposit	Stone, Crushed/Broken	Underground	Unknown	MRDS
Melville Ranch	Magnesite	Underground	Unknown	MRDS
Mercury Bank	Mercury		Past Producer	MRDS
Mercury Bank Mines	Mercury	Underground	Unknown	MRDS
Mericoma	Mercury		Past Producer	MRDS
Mill Creek Road	Stone		Occurrence	MRDS
Mirabel Sand & Gravel	Sand and Gravel, Construction	Surface	Unknown	MRDS
Mohawk	Mercury	Surface	Unknown	MRDS
Mount Hood Mine	Chromium	Surface-Underground	Unknown	MRDS
Mt Pisgah Vineyard	Diatomite	Surface-Underground	Unknown	MRDS
Murphy Ranch Deposit	Mercury	Surface	Past Producer	MRDS
Napa	Mercury		Occurrence	MRDS
Napa	Mercury		Unknown	MRDS
Norton Ranch	Magnesite	Surface	Unknown	MRDS
Nuns Canyon Rock Llc	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
O Connor	Stone	Surface	Past Producer	MRDS
O'Connell Prospect	Manganese		Occurrence	MRDS
O'Connell Prospect			Prospect	MRDS
Occidental	Mercury		Occurrence	MRDS
Occidental	Mercury		Unknown	MRDS
Old Chapman			Occurrence	MRDS
Old Chapman	Mercury		Occurrence	MRDS
Onsrud Gravel Pit	Sand and Gravel, Construction		Past Producer	MRDS
Onsrud Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Pacific Group			Occurrence	MRDS
Palmer Pit	Sand and Gravel, Construction		Past Producer	MRDS
Palmer Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Parker Hill Ranch	Sand and Gravel, Construction		Prospect	MRDS
Pattenburg Refractory Magnst. Mine.	Magnesite	Underground	Unknown	MRDS
Paul Warner Property			Occurrence	MRDS
Petaluma Quarry	Construction Sand and Gravel	Surface	Abandoned	MSHA
Pine Flat	Manganese		Occurrence	MRDS
Pine Flat District	Manganese		Occurrence	MRDS
Pine Flat Road	Sand and Gravel, Construction		Past Producer	MRDS
Pine Flat Road	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Porter Creek Road	Sand and Gravel, Construction		Past Producer	MRDS
Porter Creek Road	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Pronini Ranch	Sand and Gravel, Construction		Prospect	MRDS
Purviance Ranch	Calcium	Underground	Unknown	MRDS
Quarry	Stone	Surface	Unknown	MRDS
Quarry	Stone	Surface	Unknown	MRDS
Quarry	Stone	Surface	Past Producer	MRDS
Quarry	Stone	Surface	Unknown	MRDS
Quarry	Stone	Surface	Unknown	MRDS
Rainbow	Stone	Surface	Past Producer	MRDS
Raineys Ready-Mix	Sand and Gravel, Construction	Surface	Unknown	MRDS
Rattlesnake	Mercury		Past Producer	MRDS
Rattlesnake	Mercury	Underground	Unknown	MRDS
Red Hill		Surface	Past Producer	MRDS
Red Hill Claim	Chromium		Past Producer	MRDS
Red Side	Magnesite	Surface	Unknown	MRDS
Reimon & Garrett Gravel Co.	Sand and Gravel, Construction	Surface	Unknown	MRDS
Reltane Deposit	Clay		Prospect	MRDS
Richter Deposit	Diatomite	Surface	Past Producer	MRDS
Rough Crossing		Surface	Past Producer	MRDS
Rowan Deposit			Occurrence	MRDS
Russian River Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Soils Plus	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Sand Pit	Sand and Gravel, Construction	Surface	Unknown	MRDS
Sartori Ranch	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Serres Pit	Sand and Gravel, Construction		Past Producer	MRDS
Serres Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Shanks&copps		Surface	Past Producer	MRDS
Sharp Prospect			Occurrence	MRDS
Sharp Prospect			Unknown	MRDS
Shaw			Unknown	MRDS
Siri & King Gravel Plant	Sand and Gravel, Construction	Surface	Unknown	MRDS
Skaggs	Mercury	Underground	Unknown	MRDS
Skaggs Springs	Mercury		Past Producer	MRDS
Skaggs Springs	Mercury	Surface	Unknown	MRDS
Skinner Ranch	Graphite	Surface	Past Producer	MRDS
Socrates	Mercury		Past Producer	MRDS
Socrates	Mercury	Surface	Unknown	MRDS
Sonoma Chrome Inc		Surface-Underground	Past Producer	MRDS
Sonoma Chrome, Inc. Deposit	Chromium		Past Producer	MRDS
Sonoma Co. No. 27	Manganese	Surface	Past Producer	MRDS
Sonoma Group	Mercury	Surface-Underground	Past Producer	MRDS
Sonoma Grove	Sand and Gravel, Construction		Past Producer	MRDS
Sonoma Magnesite	Magnesite	Surface-Underground	Unknown	MRDS
Sonoma Mine (mount Jackson, Great Eastern, and Roaring Lion)	Mercury	Surface-Underground	Past Producer	MRDS
Sonoma Rock Company	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Sowoma Grove	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Spaletta Gravel Pit	Sand and Gravel, Construction		Past Producer	MRDS
Squaw Creek	Copper	Underground	Unknown	MRDS
Trudell Rock Co.	Sand and Gravel, Construction	Surface	Unknown	MRDS
Truitt No. 1	Mercury		Past Producer	MRDS
Twin Bridges	Construction Sand and Gravel	Surface	Abandoned	MSHA
Unnamed Limestone	Calcium	Surface	Past Producer	MRDS
Unnamed Location	Sand and Gravel, Construction		Past Producer	MRDS
Unnamed Location	Sand and Gravel, Construction		Past Producer	MRDS
Unnamed Location	Stone		Occurrence	MRDS
Unnamed Location	Aluminum		Occurrence	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Chromium	Underground	Unknown	MRDS
Unnamed Location	Mercury		Prospect	MRDS
Unnamed Location	Copper		Occurrence	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Copper		Occurrence	MRDS
Unnamed Location	Quartz		Prospect	MRDS
Unnamed Location	Mercury		Occurrence	MRDS
Unnamed Location	Perlite		Prospect	MRDS
Unnamed Location	Sulfur		Occurrence	MRDS
Unnamed Location	Geothermal		Occurrence	MRDS
Unnamed Location	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Location	Manganese	Underground	Unknown	MRDS
Unnamed Location	Manganese		Occurrence	MRDS
Unnamed Location	Mercury		Occurrence	MRDS
Unnamed Location	Perlite		Prospect	MRDS
Unnamed Location	Sand and Gravel, Construction		Prospect	MRDS
Unnamed Location	Manganese		Occurrence	MRDS
Unnamed Location	Gold	Surface	Past Producer	MRDS
Unnamed Location	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Location	Sand and Gravel, Construction		Occurrence	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Gemstone		Occurrence	MRDS
Unnamed Location	Mercury		Occurrence	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Stone	Surface	Past Producer	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Perlite		Occurrence	MRDS
Unnamed Location	Garnet	Underground	Unknown	MRDS
Unnamed Location	Perlite	Surface	Prospect	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Stone		Occurrence	MRDS
Unnamed Location	Sand and Gravel, Construction		Occurrence	MRDS
Unnamed Location	Magnesite	Underground	Unknown	MRDS
Unnamed Location	Mercury	Underground	Unknown	MRDS
Unnamed Location	Copper	Surface	Unknown	MRDS
Unnamed Location	Manganese	Surface	Past Producer	MRDS
Unnamed Location	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Location	Magnesite		Occurrence	MRDS
Unnamed Location	Geothermal		Occurrence	MRDS
Unnamed Prospect	Gold		Occurrence	MRDS
Unnamed Prospect	Copper	Underground	Unknown	MRDS
Unnamed Prospect	Manganese		Occurrence	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Chromium		Occurrence	MRDS
Unnamed Prospect	Iron		Occurrence	MRDS
Unnamed Prospect	Mercury	Surface	Unknown	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Mercury	Underground	Unknown	MRDS
Unnamed Prospect	Mercury	Underground	Unknown	MRDS
Unnamed Prospect	Chromium	Surface	Unknown	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Mercury	Underground	Unknown	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Aluminum		Prospect	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Mercury	Underground	Unknown	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospect	Tin		Occurrence	MRDS
Unnamed Prospect	Gold	Surface	Unknown	MRDS
Unnamed Prospect	Mercury		Occurrence	MRDS
Unnamed Prospects	Mercury		Occurrence	MRDS
Valley of the Moon	Flagstone	Surface	Past Producer	MRDS
Vimark Bar	Sand and Gravel, Construction		Occurrence	MRDS
Walker	Mercury		Occurrence	MRDS
Walker Prospect	Mercury	Underground	Unknown	MRDS
Wall Springs	Mercury		Occurrence	MRDS
Wall Springs	Mercury		Occurrence	MRDS
Wall Tract	Copper, Mercury		Occurrence	MRDS
Ward Tract			Occurrence	MRDS
Ward Tract	Copper		Occurrence	MRDS
Warner Property			Occurrence	MRDS
Warner and Clark Claim	Chromium		Occurrence	MRDS
Weise Clay Pit	Clay		Past Producer	MRDS
Weise Clay Pit	Clay	Surface	Past Producer	MRDS
Welch Prospect	Chromium		Occurrence	MRDS
Welch Prospect	Chromium		Occurrence	MRDS
Western Carbonic Acid Gas Co.	Magnesite	Underground	Unknown	MRDS
Wheeler Prospect			Occurrence	MRDS
Wheeler Prospect	Manganese		Prospect	MRDS
White-O-Ranch			Occurrence	MRDS
White-O-Ranch Prospect			Occurrence	MRDS
Williams	Stone	Surface	Past Producer	MRDS
Willow Creek	Sand and Gravel, Construction	Surface	Unknown	MRDS
Windsor	Construction Sand and Gravel	Surface	Abandoned	MSHA
Wright Prospect			Occurrence	MRDS
Wright Prospect		Surface	Prospect	MRDS
Wrobel Pit	Sand and Gravel, Construction		Past Producer	MRDS
Wrobel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Yellow Jacket	Mercury	Underground	Past Producer	MRDS
Yellowjacket	Mercury		Past Producer	MRDS
Z and G Quarry and Mill	Stone, Dimension		Unknown	MRDS
Zaney Gravels	Stone	Surface	Past Producer	MRDS