Washington · Snohomish County
Prospect
Spencer Prospect
Snohomish County, Washington, United States
Copper
Gold
Silver
⌖ Show on map
USGS source ↗
Commodities
Primary
Copper
Tertiary
Gold, Silver
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10180762
Alternate names
Mammoth Prospect, Kyer Mine, Jay No. 14
Region
NA
Data score
D
Coordinates
47.92952, -121.42371
References
U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 75-83, 1983, NO. 92,TABLE 2, P. 37.