Tag: mining

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    AZ-008 Vulture Mine

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    CA-475 Placerville

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    CA-MAR001 Whitlock Mining District

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    CA-297 Discovery of Gold-Bearing Quartz in California

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    CA-628-629 Alpha and Omega

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    CA-832 South Yuba Canal Office

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    CA-843 North Star Mine Powerhouse

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    CA-397 Dutch Flat

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    CA-404 City of Auburn

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    CA-885 Griffith Quarry

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    CA-324 New Irdia Mine

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    CA-782 Town of Calico

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    CA-339 New Almaden Quicksilver Mine

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    FL-F4 Site of the Discovery of Phosphate in Florida

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    NC-O37 Joshua Forman

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    TX-4903 Site of Thurbers First Coal Mine

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    TX-5486 Thurber

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    IN-47.1966.1 Indiana (Oolitic) Limestone Quarries

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    CA441 - Burned Wagons Point

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    CA-752 Owens Lake Silver-Lead Furnace

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    CA-773 Old Harmony Borax Works

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    CA-774 Searles Lake Borax Discovery


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