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t m cheney
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Stratigraphic sections of the Phosphoria Formation in Utah, 1949-51
T. M. Cheney · U.S. Department of the Interior, Geological Survey
40 sayfa · 1953
Stratigraphic Geology / Phosphate rock
Stratigraphic sections of the Phosphoria Formation in Wyoming, 1951
T. M. Cheney · U.S. Department of the Interior, Geological Survey
24 sayfa · 1954
Stratigraphic Geology / Phosphate rock