Mines in Humboldt County, California

Humboldt County, California has 484 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 109 of these are currently active mining operations. The most commonly recorded commodity is gold, with 169 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Humboldt County

Mine	Commodity	Type	Status	Source
Alton Pit & Mill	Construction Sand and Gravel	Surface	Active	MSHA
Bear Butte Quarry	Crushed, Broken Stone NEC	Surface	Active	MSHA
Christie Bar	Construction Sand and Gravel	Surface	Active	MSHA
Ford Quarries	Crushed, Broken Stone NEC	Surface	Active	MSHA
Hatchery Road Crusher	Construction Sand and Gravel	Surface	Active	MSHA
Hoopa Valley Tribe Roads Department	Construction Sand and Gravel	Surface	Active	MSHA
Randall Sand & Gravel	Construction Sand and Gravel	Surface	Active	MSHA
A-21 Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Alton Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Ammon Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Arcata Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Big Lagoon Mining Co.	Gold		Producer	MRDS
Blocksburg	Sand and Gravel, Construction	Surface	Producer	MRDS
Blue Lake Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Blue Lake Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Blue Lake/mad River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Brannon Mountain Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Cavanaugh Mine	Gold		Producer	MRDS
Charles Mountain Woods, Hall	Manganese		Producer	MRDS
Chemise Mountain Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Chriestie Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Clover Flat Placer	Gold		Producer	MRDS
Cook's Calley Pit & Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Cooks Valley Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Crothers Property	Gold		Producer	MRDS
Drewry Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Eel River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Eel River Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Ell River Crushing Plant	Sand and Gravel, Construction	Surface	Producer	MRDS
Essex Gravel Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Fernbridge Gravel Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Ferris Mine	Mercury		Producer	MRDS
Forks of Salmon	Gold		Producer	MRDS
Fort Baker	Manganese		Producer	MRDS
Fort Seward	Manganese		Producer	MRDS
Fort Seward	Manganese		Producer	MRDS
Fort Seward Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Fortuna Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Fortuna Ready Mix Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Fortuna Redi-Mix	Sand and Gravel, Construction	Surface	Producer	MRDS
Fortuna Sand and Gravel	Sand and Gravel, Construction	Surface	Producer	MRDS
Fred Carlson Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Graham Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Graham Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Hanes Creek	Manganese		Producer	MRDS
Hansen Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hansen Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Honeydew Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hoopa Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Iaqua Buttes Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Ishi Pishi Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Jacoby Creek Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Janes Creek	Manganese		Producer	MRDS
Kalamath River	Gold		Producer	MRDS
Klamath River Mine	Gold		Producer	MRDS
Korblex Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Little Klondike	Gold		Producer	MRDS
Little River	Gold		Producer	MRDS
Lupton Claim	Gold		Producer	MRDS
Macintosh Mine	Gold		Producer	MRDS
Mad River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Mad River Bridge Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Manapier Mine	Gold		Producer	MRDS
Manila Dunes Sand Removal	Sand and Gravel, Construction	Surface	Producer	MRDS
McKnight Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Mercer Fraser Co	Sand and Gravel, Construction	Surface	Producer	MRDS
Mercer-Fraser Co	Sand and Gravel, Construction	Surface	Producer	MRDS
Monschke Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Monument Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Murray	Gold		Producer	MRDS
Niahole	Gold		Producer	MRDS
Old County Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Orleans Placer	Gold		Producer	MRDS
Pecwan Mine Englebright, New Mon	Chromium		Producer	MRDS
Pioneer Placer Mine	Gold		Producer	MRDS
Queens Peak Mng. Co.	Manganese		Producer	MRDS
Rancharia Road Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Randall Gravel Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Red Gap	Chromium		Producer	MRDS
Redwood Creek Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Redwood Creek Bypass	Sand and Gravel, Construction	Surface	Producer	MRDS
Rocky Gulch Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Rowland Pit & Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Rowland Pit and Mill	Sand and Gravel, Construction	Surface	Producer	MRDS
Salstrom Mine	Gold		Producer	MRDS
Salyer Pit & Mill	Silica	Surface	Producer	MRDS
Satterly Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Signal Peak Chrome Claims 1,2,3,4,5	Chromium		Producer	MRDS
Singley Bar Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
South Fork Van Duzen Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Tosten Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Trinidad Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Trinity River Pit #1	Sand and Gravel, Construction	Surface	Producer	MRDS
Two States Mining Co.	Gold		Producer	MRDS
Union Gold Bluff Mining Co.	Gold		Producer	MRDS
Unknown	Gold		Producer	MRDS
Unknown	Stone, Crushed/Broken		Producer	MRDS
Unknown	Gold		Producer	MRDS
Unknown	Chromium		Producer	MRDS
Unnamed Location	Graphite		Producer	MRDS
Unnamed Location	Chromium		Producer	MRDS
Unnamed Location	Chromium		Producer	MRDS
Upper Gold Bluffs	Gold		Producer	MRDS
Van Duzen Gravel Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Van Duzen River Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
Weitchpec Bar	Gold		Producer	MRDS
Willow Creek Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Willow Creek Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Worswick Gravel Bar	Sand and Gravel, Construction	Surface	Producer	MRDS
A.b.c. Manganese Claim			Occurrence	MRDS
Abc Manganese Claim			Occurrence	MRDS
Allen Mine	Gold		Past Producer	MRDS
Allen Mine	Gold	Underground	Occurrence	MRDS
Angel Ranch	Clay		Occurrence	MRDS
Baker Creek Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Bear Ridge			Occurrence	MRDS
Bear Ridge			Prospect	MRDS
Bergin Placer Property	Gold		Occurrence	MRDS
Bergin Placer Property	Gold	Placer	Occurrence	MRDS
Bess Bar	Construction Sand and Gravel	Surface	Intermittent	MSHA
Big Bar & Big Bar Annex	Gold	Placer	Occurrence	MRDS
Big Bar and Big Bar Annex	Gold		Occurrence	MRDS
Big Lagoon	Gold	Placer	Past Producer	MRDS
Big Lagoon	Gold	Placer	Past Producer	MRDS
Big Rock Chrome Claim	Chromium		Occurrence	MRDS
Big Rock Chrome Claim	Chromium	Surface-Underground	Prospect	MRDS
Black Creek Prospect	Manganese		Unknown	MRDS
Bluff Creek Lode	Gold		Occurrence	MRDS
Bondo Creton Bar and Markeson	Gold		Occurrence	MRDS
Bonoa	Gold	Placer	Occurrence	MRDS
Bridgeville Quarry	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Burns Prospect			Occurrence	MRDS
Burns Prospect			Occurrence	MRDS
Burrill Peak	Chromium		Occurrence	MRDS
Burrill Peak	Chromium	Surface-Underground	Prospect	MRDS
Carlotta Wash Plant	Construction Sand and Gravel	Facility	Abandoned	MSHA
Cavanaugh	Gold	Placer	Past Producer	MRDS
Centerville Deposit	Mineral Pigments, Iron		Past Producer	MRDS
Centerville Hematite Deposit	Iron	Surface	Prospect	MRDS
Charles Mountain	Manganese	Underground	Prospect	MRDS
Charles Mountain Mine		Surface-Underground	Past Producer	MRDS
Chilton	Gold		Occurrence	MRDS
Chilton	Gold	Surface-Underground	Past Producer	MRDS
China Flat	Gold	Placer	Past Producer	MRDS
Chromite Occurrence	Chromium		Unknown	MRDS
Clover Flat Placer	Gold	Surface-Underground	Occurrence	MRDS
Coleman	Gold	Placer	Past Producer	MRDS
Cooks Valley Portable Crusher	Dimension Stone NEC	Surface	Abandoned	MSHA
Copper Bluff			Occurrence	MRDS
Copper Bluff	Copper, Zinc		Occurrence	MRDS
Copper Bluff	Copper	Underground	Past Producer	MRDS
Crimson			Occurrence	MRDS
Crimson Prospect	Copper		Past Producer	MRDS
Crothers Property	Gold	Surface-Underground	Occurrence	MRDS
Cumbak	Gold	Placer	Past Producer	MRDS
Dara # 1	Gold	Placer	Unknown	MRDS
Delaney Group	Gold		Occurrence	MRDS
Delaney Group	Gold	Placer	Occurrence	MRDS
Denio	Gold	Placer	Past Producer	MRDS
Devils Backbone Prospect	Copper	Surface	Unknown	MRDS
Dry Lagoon Drive	Clay		Occurrence	MRDS
Dry Lagoon Drive	Clay	Surface-Underground	Prospect	MRDS
Dungan	Gold	Placer	Past Producer	MRDS
Erm Rock	Construction Sand and Gravel	Surface	Intermittent	MSHA
East Fork	Chromium		Unknown	MRDS
East Form Campground	Gold		Unknown	MRDS
Edna Mine	Manganese		Occurrence	MRDS
El Jay Cone	Construction Sand and Gravel	Surface	Intermittent	MSHA
Eureka Ready Arcata Pit	Construction Sand and Gravel	Surface	Abandoned	MSHA
Extec	Construction Sand and Gravel	Surface	Intermittent	MSHA
Extec Screener	Construction Sand and Gravel	Surface	Abandoned	MSHA
Ferris Mine	Mercury	Surface-Underground	Prospect	MRDS
Fish Lake Gold	Gold	Surface-Underground	Unknown	MRDS
Florence Placer	Gold		Occurrence	MRDS
Florence Placer	Gold	Placer	Occurrence	MRDS
Forks of Salmon	Gold	Placer	Unknown	MRDS
Fort Baker	Manganese	Surface-Underground	Prospect	MRDS
Fort Baker Mine		Surface	Past Producer	MRDS
Fort Seward Mine		Surface-Underground	Past Producer	MRDS
Forty-Five	Gold	Placer	Past Producer	MRDS
French Bar	Gold	Placer	Past Producer	MRDS
French Camp Prospect	Chromium		Occurrence	MRDS
French Camp Prospect	Chromium	Surface-Underground	Prospect	MRDS
Freshwater Slough	Clay		Occurrence	MRDS
Freshwater Slough	Clay	Surface	Prospect	MRDS
Garberville Prospect	Gold		Unknown	MRDS
Gold Occurrence	Gold		Unknown	MRDS
Golden Cornucopia	Gold	Placer	Past Producer	MRDS
Graham Pit & Mill	Construction Sand and Gravel	Surface	Abandoned	MSHA
Grizzly Camp	Copper		Prospect	MRDS
Hackett Property	Limestone, Dimension	Surface-Underground	Prospect	MRDS
Hance Property	Copper	Surface-Underground	Prospect	MRDS
Hansen Pit & Mill	Construction Sand and Gravel	Surface	Abandoned	MSHA
Harveston Bar	Gold		Occurrence	MRDS
Harveston Bar Mine	Gold	Placer	Past Producer	MRDS
Haw Quarry	Stone		Occurrence	MRDS
Haw Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Herb Russ Property	Volcanic Materials		Occurrence	MRDS
Herb Russ Property	Pumice	Surface-Underground	Occurrence	MRDS
Hoopa Indian Reservation	Chromium		Occurrence	MRDS
Hoopa Indian Reservation	Gold		Occurrence	MRDS
Hoopa Indian Reservation			Occurrence	MRDS
Hoopa Indian Reservation	Gold		Past Producer	MRDS
Hoopa Indian Reservation	Chromium	Surface-Underground	Prospect	MRDS
Hoopa Valley Indian Reservation #2	Gold	Placer	Unknown	MRDS
Horse Mountain	Copper		Past Producer	MRDS
Horse Mountain Copper Glange Conso	Chromium	Underground	Prospect	MRDS
Humboldt Almaden	Mercury		Past Producer	MRDS
Humboldt Almaden	Silver	Surface-Underground	Occurrence	MRDS
Humboldt Quarries	Construction Sand and Gravel	Surface	Intermittent	MSHA
Humboldt Screener	Sand, Industrial NEC	Surface	Intermittent	MSHA
Hungry Hollow	Clay		Prospect	MRDS
Hungry Hollow	Clay		Occurrence	MRDS
Jacoby Creek Deposit	Limestone, General		Occurrence	MRDS
Jacoby Creek Deposit	Limestone, General		Prospect	MRDS
Jacoby Creek Deposit	Limestone, Dimension	Surface	Past Producer	MRDS
Janes Creek		Surface	Prospect	MRDS
Johnston Deposit	Stone, Crushed/Broken	Surface	Unknown	MRDS
Jungle	Gold	Placer	Past Producer	MRDS
Kalamath River	Gold	Placer	Occurrence	MRDS
Kernen Portable Crusher I	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Kinsey	Gold	Placer	Past Producer	MRDS
Klamath Dredging Co	Gold	Placer	Occurrence	MRDS
Klamath Dredging Company	Gold		Occurrence	MRDS
Klamath River	Gold	Placer	Occurrence	MRDS
Kublia Gold Prospect	Silver	Surface-Underground	Unknown	MRDS
Lt105 Jaw	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Lt106 Jaw	Construction Sand and Gravel	Surface	Intermittent	MSHA
Leaning Tree No. 2			Occurrence	MRDS
Leaning Tree No. 2 Claim			Occurrence	MRDS
Liberty	Gold		Occurrence	MRDS
Liberty	Gold	Surface-Underground	Past Producer	MRDS
Liscom Hill Quarry	Construction Sand and Gravel	Surface	Intermittent	MSHA
Liscomb Hill	Barium-Barite		Occurrence	MRDS
Liscomb Hill	Barium-Barite	Surface-Underground	Prospect	MRDS
Little Joe	Gold	Placer	Past Producer	MRDS
Little Klondike	Gold	Placer	Occurrence	MRDS
Little River	Gold	Placer	Occurrence	MRDS
Little Wilder Creek	Chromium	Surface	Occurrence	MRDS
Live Oak		Surface	Prospect	MRDS
Live Oak Deposit			Occurrence	MRDS
Loofbourrow	Clay	Surface	Occurrence	MRDS
Lord Ellis	Stone		Unknown	MRDS
Lower Gold Bluffs	Gold	Placer	Occurrence	MRDS
Lupton Claim	Gold		Occurrence	MRDS
Lupton Claim	Gold		Occurrence	MRDS
M and M	Gold	Placer	Past Producer	MRDS
Mds M515 Screener	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Macintosh Mine	Osmium		Unknown	MRDS
Manapier Mine	Gold		Occurrence	MRDS
Manapier Mine	Gold	Placer	Occurrence	MRDS
Martin and Murphy Claim			Occurrence	MRDS
Martin and Murphy Claim			Occurrence	MRDS
Mason Materials	Crushed, Broken Stone NEC	Facility	Abandoned	MSHA
McArthur	Chromium		Unknown	MRDS
McClellan Deposit	Stone, Crushed/Broken	Surface-Underground	Past Producer	MRDS
McGarvey	Gold		Occurrence	MRDS
McHale	Gold		Occurrence	MRDS
McHale	Gold	Placer	Occurrence	MRDS
Mencer Fraser Co	Sand and Gravel, Construction	Surface	Prospect	MRDS
Mercer Fraser Co.	Sand and Gravel, Construction		Occurrence	MRDS
Mercer Fraser Plant B Portable Crusher	Construction Sand and Gravel	Surface	Intermittent	MSHA
Mercury Mine	Mercury	Surface-Underground	Unknown	MRDS
Mettah Hydraulic	Gold		Occurrence	MRDS
Mettah Hydraulic	Gold	Surface-Underground	Occurrence	MRDS
Moore Claim	Gold	Placer	Occurrence	MRDS
Moore Morris? Claim	Gold		Occurrence	MRDS
Morwick Hill	Gold	Placer	Past Producer	MRDS
Mosquito Lake Chrome Mine	Chromium		Occurrence	MRDS
Mosquito Lake Chrome Mine	Chromium	Surface-Underground	Prospect	MRDS
Mottah	Gold	Placer	Past Producer	MRDS
Mule Trail	Gold		Occurrence	MRDS
Mule Trail	Gold	Placer	Occurrence	MRDS
Murphy Prospect	Manganese		Occurrence	MRDS
Murphy Prospect			Occurrence	MRDS
Murray	Gold		Past Producer	MRDS
Nelson	Gold	Placer	Past Producer	MRDS
Niahole	Gold	Placer	Occurrence	MRDS
Nichols	Gold		Occurrence	MRDS
Nichols	Gold	Placer	Past Producer	MRDS
Onion Mountain Prospect	Chromium		Occurrence	MRDS
Onion Mountain Prospect	Chromium	Surface-Underground	Prospect	MRDS
Orcutt	Gold	Placer	Past Producer	MRDS
Orleans District	Gold	Surface	Past Producer	MRDS
Orleans Placer	Gold	Placer	Occurrence	MRDS
Ossagon	Gold		Occurrence	MRDS
Owl	Gold		Occurrence	MRDS
Owl	Gold	Placer	Occurrence	MRDS
Peak Creek Prospect	Gold		Occurrence	MRDS
Peak Creek Prospect In Sec. 33	Gold		Occurrence	MRDS
Pearch	Gold		Occurrence	MRDS
Pearch	Gold		Occurrence	MRDS
Pecwan Mine	Chromium	Surface-Underground	Prospect	MRDS
Perch Creek Prospect	Gold		Past Producer	MRDS
Pitcher Sone Quarry	Stone, Crushed/Broken		Occurrence	MRDS
Placer Deposit	Gold		Occurrence	MRDS
Placer Deposit	Gold	Placer	Occurrence	MRDS
Portable #1	Construction Sand and Gravel	Surface	Intermittent	MSHA
Power Screen 1	Construction Sand and Gravel	Surface	Abandoned	MSHA
Prior No.1	Manganese		Occurrence	MRDS
Prior No. 1 Deposit		Surface	Prospect	MRDS
Prospect Hill Mine	Gold		Past Producer	MRDS
Quarry	Stone, Crushed/Broken		Occurrence	MRDS
Quarry	Stone	Surface	Past Producer	MRDS
Queens Peak			Unknown	MRDS
R Brown & Son's Quarry	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Ruc Quarry	Sand, Industrial NEC	Surface	Abandoned	MSHA
Rainbow			Occurrence	MRDS
Rainbow Group	Copper	Surface-Underground	Prospect	MRDS
Rainbow Group	Copper	Underground	Prospect	MRDS
Recovery	Gold	Placer	Past Producer	MRDS
Red Cap	Gold		Occurrence	MRDS
Red Cap	Copper		Occurrence	MRDS
Red Cap	Gold	Surface-Underground	Occurrence	MRDS
Red Cap Creek			Occurrence	MRDS
Red Cap Lake Prospect	Silver	Surface	Prospect	MRDS
Red Gap	Chromium		Past Producer	MRDS
Red Knoll			Occurrence	MRDS
Red Knoll	Magnesite	Surface-Underground	Prospect	MRDS
Red Lasseck			Occurrence	MRDS
Red Lasseck	Copper		Occurrence	MRDS
Red Porphry	Gold	Placer	Past Producer	MRDS
Redwood	Gold	Placer	Past Producer	MRDS
Redwood Creek Prospect	Gold		Unknown	MRDS
Reported Occurrence	Gold		Occurrence	MRDS
Reported Occurrences	Gold		Occurrence	MRDS
Reported Occurrences	Gold		Occurrence	MRDS
Reported Occurrences	Gold	Placer	Occurrence	MRDS
Reported Occurrences	Gold	Placer	Occurrence	MRDS
Reported Occurrences	Gold	Placer	Occurrence	MRDS
Rickter Deposit	Limestone, General		Occurrence	MRDS
Rickter Deposit	Stone, Crushed/Broken	Surface-Underground	Past Producer	MRDS
Rivera Chrome Mine	Chromium	Surface-Underground	Prospect	MRDS
Rivers Chrome Mine	Chromium		Occurrence	MRDS
Roads Extec Crusher	Construction Sand and Gravel	Surface	Intermittent	MSHA
Rocky Point	Gold	Placer	Past Producer	MRDS
Rosalina	Gold	Placer	Past Producer	MRDS
Rough & Ready	Gold	Placer	Occurrence	MRDS
Rough and Ready Formerly Rough and Ready and Savorum	Gold		Occurrence	MRDS
Saints Rest	Gold	Placer	Past Producer	MRDS
Salmon Mountain Prospect	Silver	Surface	Unknown	MRDS
Salstrom	Gold	Placer	Past Producer	MRDS
Sam Brown Prospect			Occurrence	MRDS
Sam Brown World War No. 2 Prospect			Occurrence	MRDS
Sandvik Qe442 Screener	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Sandy Prairie Portable Crusher Plant A	Construction Sand and Gravel	Surface	Intermittent	MSHA
Schnable Placer Red Cap Cr.	Gold	Placer	Occurrence	MRDS
Schnable Placer Sec. 1 Unnamed Sec. 36	Gold		Occurrence	MRDS
Several Unlocatable Mines	Chromium		Occurrence	MRDS
Signal Peak Chrome Claims 1,2,3,4,5	Chromium	Surface-Underground	Prospect	MRDS
Slide Hill	Gold	Placer	Past Producer	MRDS
Spike Camp Chrome No.1	Chromium	Underground	Prospect	MRDS
Steelhead No. 1	Gold	Placer	Unknown	MRDS
Sugar Bowl	Gold	Placer	Past Producer	MRDS
Surpur Creek	Gold, Platinum		Occurrence	MRDS
Sweet Home	Copper		Past Producer	MRDS
Sweet Home	Copper	Surface-Underground	Prospect	MRDS
Table Bluff	Clay	Surface-Underground	Occurrence	MRDS
Thompson Bar	Gold	Placer	Past Producer	MRDS
Thompson Brick Co	Clay	Surface	Past Producer	MRDS
Three Creeks Limestone	Limestone, Dimension		Occurrence	MRDS
Tom Hull	Sand and Gravel, Construction		Occurrence	MRDS
Tom Hull	Sand and Gravel, Construction	Surface-Underground	Prospect	MRDS
Trinity Bow Placer	Gold	Placer	Unknown	MRDS
Turk	Gold	Placer	Past Producer	MRDS
Twilight	Gold	Placer	Past Producer	MRDS
Twin Lakes	Chromium	Surface-Underground	Occurrence	MRDS
Two States Mining Co.	Gold	Placer	Occurrence	MRDS
Unknown	Stone		Occurrence	MRDS
Unknown	Graphite		Occurrence	MRDS
Unknown	Stone		Occurrence	MRDS
Unknown	Stone		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Volcanic Materials		Occurrence	MRDS
Unknown	Volcanic Materials		Occurrence	MRDS
Unknown	Stone		Occurrence	MRDS
Unknown	Stone		Occurrence	MRDS
Unknown			Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Manganese		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Mercury		Occurrence	MRDS
Unknown	Mercury		Occurrence	MRDS
Unknown	Mercury		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Gold		Occurrence	MRDS
Unknown	Chromium		Occurrence	MRDS
Unknown	Mercury		Occurrence	MRDS
Unnamed Gold	Gold	Placer	Unknown	MRDS
Unnamed Limestone	Limestone, General		Past Producer	MRDS
Unnamed Limestone	Stone, Crushed/Broken	Surface-Underground	Past Producer	MRDS
Unnamed Location	Sand and Gravel, Construction		Prospect	MRDS
Unnamed Location			Occurrence	MRDS
Unnamed Location	Limestone, General		Prospect	MRDS
Unnamed Location	Clay		Prospect	MRDS
Unnamed Location	Clay		Prospect	MRDS
Unnamed Location	Chromium	Surface-Underground	Prospect	MRDS
Unnamed Location	Mercury	Surface-Underground	Prospect	MRDS
Unnamed Location	Gold	Placer	Unknown	MRDS
Unnamed Location	Chromium		Occurrence	MRDS
Unnamed Location	Chromium	Surface-Underground	Unknown	MRDS
Unnamed Location	Gold	Placer	Unknown	MRDS
Unnamed Location	Clay	Surface	Prospect	MRDS
Unnamed Location	Limestone, Dimension		Occurrence	MRDS
Unnamed Location	Pumice		Occurrence	MRDS
Unnamed Location	Chromium	Surface-Underground	Unknown	MRDS
Unnamed Location	Manganese	Surface-Underground	Prospect	MRDS
Unnamed Location	Stone, Crushed/Broken		Occurrence	MRDS
Unnamed Location	Clay	Surface	Prospect	MRDS
Unnamed Location	Gold	Placer	Unknown	MRDS
Unnamed Location	Stone, Dimension	Surface-Underground	Unknown	MRDS
Unnamed Location	Gold	Surface-Underground	Unknown	MRDS
Unnamed Location	Chromium	Surface-Underground	Unknown	MRDS
Unnamed Location	Stone	Surface-Underground	Unknown	MRDS
Unnamed Location	Chromium	Surface-Underground	Prospect	MRDS
Unnamed Location	Chromium	Surface-Underground	Unknown	MRDS
Unnamed Location	Chromium	Surface-Underground	Unknown	MRDS
Unnamed Location	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Location	Gold	Placer	Unknown	MRDS
Unnamed Location	Gold	Placer	Unknown	MRDS
Unnamed Location	Limestone, Dimension	Surface-Underground	Prospect	MRDS
Unnamed Location	Silver	Surface-Underground	Unknown	MRDS
Unnamed Location	Graphite	Surface-Underground	Prospect	MRDS
Unnamed Location	Chromium	Surface-Underground	Unknown	MRDS
Unnamed Location	Chromium	Surface-Underground	Unknown	MRDS
Unnamed Manganese	Manganese		Prospect	MRDS
Unnamed Mercury	Mercury		Occurrence	MRDS
Unnamed Prospects	Mercury		Occurrence	MRDS
Unnamed Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Upper Gold Bluffs	Gold	Placer	Occurrence	MRDS
Vance	Copper		Occurrence	MRDS
W A Preston Prospect	Iron	Underground	Prospect	MRDS
W. A. Preston Property	Iron		Occurrence	MRDS
Wahlund Construction, Inc.	Construction Sand and Gravel	Surface	Abandoned	MSHA
Walker	Gold	Placer	Past Producer	MRDS
Walther	Gold	Placer	Past Producer	MRDS
Waterman Ridge Prospect	Gold		Unknown	MRDS
Weatherby Peach	Clay	Surface	Prospect	MRDS
Weeds Prospect			Occurrence	MRDS
Weitchpec Bar Placer	Gold	Placer	Occurrence	MRDS
Wheeler-Hagan Rock Quarry	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
White Cedar	Chromium		Occurrence	MRDS
White Cedar	Chromium	Surface-Underground	Prospect	MRDS
White Horse	Gold		Occurrence	MRDS
White Horse	Gold	Underground	Prospect	MRDS
White Rock Limestone Deposit	Limestone, Dimension	Surface-Underground	Prospect	MRDS
White Woman Limestone	Limestone, Dimension		Occurrence	MRDS
Whites Mine	Gold		Occurrence	MRDS
Whites Mine	Gold	Surface-Underground	Occurrence	MRDS
Whitmore Creek Prospect	Gold	Underground	Prospect	MRDS
Wilder Mine	Chromium		Past Producer	MRDS
Willow Creek Pit and Mill	Sand and Gravel, Construction		Past Producer	MRDS
Willow Creek Portable Crusher	Dimension Stone NEC	Surface	Intermittent	MSHA
Windbigler No. 1			Occurrence	MRDS
Windbigler No. 1 Mine		Surface	Prospect	MRDS
Windbigler No. 2 Prospect			Occurrence	MRDS
Windbigler No. 2 Prospect			Occurrence	MRDS
Wood	Chromium		Occurrence	MRDS
Wood	Chromium	Surface-Underground	Occurrence	MRDS
Woods Prospect			Occurrence	MRDS
Woods Prospect	Manganese	Underground	Unknown	MRDS
Woods Prospect	Manganese		Occurrence	MRDS
Woodsow	Gold	Placer	Past Producer	MRDS
Young	Gold	Placer	Past Producer	MRDS