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The Engineering and Mining Journal 1875-05-22: Vol 19 Iss 21 ( ) Title The Engineering and Mining Journal 1875-05-22: Vol 19 Iss 21 Volume 19 Publisher...
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The Engineering and Mining Journal 1875-05-08: Vol 19 Iss 19 ( ) Title The Engineering and Mining Journal 1875-05-08: Vol 19 Iss 19 Volume 19 Publisher...
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