Mnenja - Napišite recenzijo
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Druge izdaje - Prikaži vse
Statistics of Mines and Mining in the States and Territories West ..., 1. izdaja
Celotni ogled - 1870
Statistics of Mines and Mining in the States and Territories West ..., 3. izdaja
Celotni ogled - 1872
amalgam amount appears assay average bottom bullion California carried cent charge City claim coal Company complete contains continued copper cost County course Creek December deposits depth developed district drift east engine estimated expense extracted feet feet deep four furnace give given gold gravel ground hand Hill hundred inches incline increased iron July known labor latter lead ledge length less located lode material means metal miles mill miners mines months Mountain nearly Nevada obtained opened operations ounces owners passed past portion pounds practical present principal probably Professor profit prospecting quantity quartz reduced rich River rock San Francisco shaft shows side silver situated smelting stamps supply surface taken thick tion tons tunnel Valley vein width yield