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Prospecting Locating And Valuing Mines
A Practical Treatise For The Use Of Prospectors Investors And Mining Men Generally : With An Account Of The Principal Minerals And Country Rocks, And Deposit... »
A Practical Treatise For The Use Of Prospectors Investors And Mining Men Generally : With An Account Of The Principal Minerals And Country Rocks, And Deposit... »
Prospecting, Locating, and Valuing Mines
A Practical Treatise For The Use Of Prospectors, Investors, And Mining Men Generally ... With Fifteen Plates »
A Practical Treatise For The Use Of Prospectors, Investors, And Mining Men Generally ... With Fifteen Plates »
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