ActiveIntermittentNew mineTemporarily idledNon-producingAbandonedHistoric mine (USGS)

Historic gold producers in Humboldt County (USGS)

USGS records 70 historic gold producers in Humboldt County: 47 past producers and 23 listed as producers or plants. For 19 of them USGS gives an output size (19 small). The most common deposit type is placer Au-PGE (16 sites).

Show the 70 sites

Site	USGS status	Output	Commodities	Years
Two States Mining Co.	Producer	small	Gold, Platinum	from 1852
Big Lagoon Mining Co.	Producer	small	Gold, Platinum	found 1855
Cavanaugh Mine	Producer	small	Gold, Platinum	n/a
Clover Flat Placer	Producer	small	Gold, Platinum	n/a
Forks of Salmon	Producer	small	Gold, Platinum	n/a
Klamath River Mine	Producer	small	Gold, Platinum, Osmium, Iridium	found 1860
Little Klondike	Producer	small	Gold	n/a
Little River	Producer	small	Gold, Platinum	n/a
Macintosh Mine	Producer	small	Gold, Osmium, Ruthenium, Palladium, Rhodium, Iridium	n/a
Murray	Producer	small	Gold, Platinum	n/a
Orleans Placer	Producer	small	Gold, Platinum	n/a
Pioneer Placer Mine	Producer	small	Gold, Platinum, Iridium, Osmium	n/a
Salstrom Mine	Producer	small	Gold, Platinum	n/a
Union Gold Bluff Mining Co.	Producer	small	Gold, Palladium, Ruthenium, Iridium, Osmium, Platinum, Rhodium	n/a
Unknown	Producer	small	Gold	n/a
Unknown	Producer	small	Gold	n/a
Weitchpec Bar	Producer	small	Gold, Platinum, Palladium, Rhodium, Ruthenium, Osmium, Iridium	n/a
Allen Mine	Past producer	small	Gold, Platinum	n/a
Horse Mountain	Past producer	small	Copper, Gold, Chromium	n/a
Crothers Property	Producer	n/a	Gold	n/a
Kalamath River	Producer	n/a	Gold	n/a
Lupton Claim	Producer	n/a	Gold	n/a
Manapier Mine	Producer	n/a	Gold	n/a
Niahole	Producer	n/a	Gold	n/a
Upper Gold Bluffs	Producer	n/a	Gold	n/a
Copper Bluff	Past producer	n/a	Copper, Gold, Silver, Zinc	from 1957
Big Lagoon	Past producer	n/a	Gold	n/a
Big Lagoon	Past producer	n/a	Gold	n/a
Cavanaugh	Past producer	n/a	Gold, Silver	n/a
Chilton	Past producer	n/a	Gold	n/a
China Flat	Past producer	n/a	Gold	n/a
Coleman	Past producer	n/a	Gold	n/a
Cumbak	Past producer	n/a	Gold	n/a
Denio	Past producer	n/a	Gold	n/a
Dungan	Past producer	n/a	Gold	n/a
Forty-Five	Past producer	n/a	Gold, Silver	n/a
French Bar	Past producer	n/a	Gold	n/a
Golden Cornucopia	Past producer	n/a	Gold, Silver	n/a
Harveston Bar Mine	Past producer	n/a	Gold	n/a
Hoopa Indian Reservation	Past producer	n/a	Gold	n/a
Jungle	Past producer	n/a	Gold, Silver	n/a
Kinsey	Past producer	n/a	Gold, Silver	n/a
Liberty	Past producer	n/a	Gold	n/a
Little Joe	Past producer	n/a	Gold, Silver	n/a
M and M	Past producer	n/a	Gold, Silver	n/a
Morwick Hill	Past producer	n/a	Gold	n/a
Mottah	Past producer	n/a	Gold	n/a
Murray	Past producer	n/a	Gold, Platinum	n/a
Nelson	Past producer	n/a	Gold, Silver	n/a
Nichols	Past producer	n/a	Gold, Silver	n/a
Orcutt	Past producer	n/a	Gold, Silver	n/a
Orleans District	Past producer	n/a	Gold, Platinum, Silver	found 1850
Perch Creek Prospect	Past producer	n/a	Gold	n/a
Prospect Hill Mine	Past producer	n/a	Gold	n/a
Recovery	Past producer	n/a	Gold	n/a
Red Porphry	Past producer	n/a	Gold, Silver	n/a
Redwood	Past producer	n/a	Gold	n/a
Rocky Point	Past producer	n/a	Gold	n/a
Rosalina	Past producer	n/a	Gold, Silver	n/a
Saints Rest	Past producer	n/a	Gold	n/a
Salstrom	Past producer	n/a	Gold, Silver	n/a
Slide Hill	Past producer	n/a	Gold, Silver	n/a
Sugar Bowl	Past producer	n/a	Gold, Silver	n/a
Thompson Bar	Past producer	n/a	Gold	n/a
Turk	Past producer	n/a	Gold	n/a
Twilight	Past producer	n/a	Gold	n/a
Walker	Past producer	n/a	Gold	n/a
Walther	Past producer	n/a	Gold	n/a
Woodsow	Past producer	n/a	Gold	n/a
Young	Past producer	n/a	Gold	n/a

Source: USGS Mineral Resources Data System (retrieved 2026-10-13). The database was last updated around 2011, positions can be approximate and "producer" does not mean a mine is operating today. Sites already matched to an MSHA record are shown in the MSHA tables.

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