C622.0922 Channing, J R421in Rickard, 'fhopa. Interviews paging San Francisco. 1;1-17(? Press. 1922. Parke 1863- s Arthur 1864- with mining engineers. Mining and Scientific 552p. ports. 23cm. Reprinted from Mining and Scientific Press and Engineering and Mining Journal Press. Material on above subject mill be found in this book. Q
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