Search Results - "Geology, Economic"
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Contributions to economic geology (short papers and preliminary reports), 1927 : Part I. - Metals and nonmetals except fuels
Published: U.S. G.P.O., 1928Description: 221 pages : illustrations, xii plates (including some folded maps) ; 24 cm.Book -
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Contributions to economic geology (short papers and preliminary reports), 1921 : Part I. - Metals and nonmetals except fuels
Published: U.S. G.P.O., 1922Description: 440 pages : illustrations, xix plates (including some folded maps) ; 24 cm.Book -
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Contributions to economic geology (short papers and preliminary reports), 1912 : Part I. - Metals and nonmetals except fuels
Published: U.S. G.P.O., 1914Description: 563 pages : illustrations, xi plates, maps (some folded) ; 24 cm.Book