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Philip John Shenon
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Copper deposits in the Squaw Creek and Silver Peak districts and at the Almeda Mine, southwestern Oregon
Philip John Shenon · U.S. Department of the Interior, Geological Survey
35 sayfa · 1933
Copper mines and mining
Geology and ore deposits of the Takilma-Waldo district, Oregon
Philip John Shenon · U.S. Govt. Print. Off.
194 sayfa · 1933
Copper mines and mining / Copper ores / Economic Geology / Geology / Geology, Economic