South Dakota · Lawrence County
Past Producer
Leopard-Jessie Lee
Lawrence County, South Dakota, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold
Tertiary
Silver
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10226028
Alternate names
Upper Portland Mine
Region
NA
Data score
D
Coordinates
44.34246, -103.83778
References
US BUREAU OF MINES,1954,STAFF REG V,1 INFO CIRCULAR 7688 P 5SHAPIRO & GRIES,1970,USGS HEAVY METALS PROGRAM CONTRACT #14--10650 P 71