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Gold in placer deposits
Warren E. Yeend, Daniel R. Shawe, K. L. Wier · Dept. of the Interior
19 sayfa · 1990
Gold mines and mining / Placer deposits
Quaternary geology of the Grand and Battlement Mesas Area, Colorado
Warren E. Yeend · U.S. Govt. Print. Off.
50 sayfa · 1969
Geology / Geology, Stratigraphic / Stratigraphic Geology