Tag: mines

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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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    PA-025 Slateford

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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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