KEYSTONE MINES INC.
State:
California
Branch Location:
Branch
Summary
Copper, Nickel, Lead, and Zinc Mining
Profile
Address
State: California | County: Mariposa | City: Mariposa | Address: 5008 STATE HIGHWAY 140 | ZIP Code: 95338-2434 | Map URL: 5008 STATE HIGHWAY 140
MARIPOSA CA 95338-2434
Classification
Description
Copper, Nickel, Lead, and Zinc Mining
Establishments in this category are primarly engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their copper, nickel, lead, or zinc content. Beneficiating includes the transformation of ores into concentrates. Establishments primarily engaged in recovering copper concentrates by the precipitation, leaching, or electrowinning of copper ore are included in this industry.
Contact
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