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Geology and Ore Deposits Near Lake City, Colorado, Issues 476-479
John Duer Irving, Howland Bancroft, Whitman Cross · Franklin Classics Trade Press
146 sayfa · 2018
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Reconnaissance of the ore deposits in northern Yuma County, Arizona
Howland Bancroft · Govt. Print. Off.
130 sayfa · 1911
Ore deposits / Veins (Geology) / Mines and mineral resources / Geology / Sedimentation and deposition