The Dewey is a gold mine located in Siskiyou county, California at an elevation of 5,200 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Elevation: 5,200 Feet (1,585 Meters)
Lat, Long: 41.42944, -122.58000
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Dewey MRDS details
Secondary: Dewey Gold Mines Trust
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Deposit Size: S
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Alteration Type: L
Alteration Text: Oxidation
Comment (Deposit): VEIN, 3 FT. THICK - ORE IS OXIDIZED IN UPPER LEVELS DECREASING W/DEPTH
Comment (Workings): 400 FT. SHAFT, 920 FT. ADIT AND NUMEROUS DRIFTS, RAISES AND STOPES. MILLSITE, SEVERAL HUNDRED FT. OF DIAMOND DRILLING DONE TO PROSPECT WALLS OF VEIN FOR PARALLEL VEINS. RESULTS STATED TO HAVE BEEN GOOD
Comment (Deposit): NO ACRES. PATENTED. DISCOVERED IN EARLY 1880'S ; INFO.SRC : 1 PUB LIT
Comment (Commodity): SULFIDE ORE OF GOOD GRADE WAS KNOWN TO EXIST AT BOTTOM OF WINZE
Comment (Location): UTM ACC NW 1/4 SE 1/4
Comment (Production): AU ORE PRODUCED IN 1917. PRODUCTION FROM OXIDIZED ORE ABOVE 100 AND 200 FT ADIT LEVELS. SOUTHERN PACIFIC COMPANY (1964).
Reference (Deposit): SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V2, P. 139
Reference (Deposit): AVERILL, C.V., 1935, MINES AND MINERAL RESOURCES OF SISKIYOU COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 31, NO. 3, P. 279, PL. 4
Reference (Deposit): LOGAN, C.A., 1925, SACRAMENTO FIELD DIVISION: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 21, NO. 4, P. 438
Reference (Deposit): BROWN, G.C., 1914, THE COUNTIES OF SHASTA, SISKIYOU AND TRINITY, CALIF: CALIF. JOUR. MINES & GEOLOGY, V. 14, PT. 4, P. 831
Reference (Production): AVERILL (1935) BROWN (1914)
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more at Where to Find Gold in California.