Washington · Snohomish County
Occurrence
Helena
Snohomish County, Washington, United States
Copper
Gold
Silver
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USGS source ↗
Commodities
Primary
Copper
Tertiary
Gold, Silver
Commodity type
M
Economic & production
Development status
Occurrence
Identification
Deposit ID
10131693
MRDS ID
SP00363
Region
NA
Data score
D
Coordinates
48.14091, -121.57062
References
WASHINGTON DIVISION OF MINES AND GEOLOGY, BULLETIN #37,1956, PART II, VOL, 1, P85.BULLETIN #37, METALLIC MINERALS, P85.