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  1. 1

    Contributions to economic geology, 1907: Part II.-Coal and Lignite by Campbell, Marius R. (Marius Robinson), 1858-1940

    Published: U.S. G.P.O., 1909
    Description: 444 pages : illustrations, charts, maps (some folded) ; 24 cm.
    Government Document Book
  2. 2

    Contributions to economic geology (short papers and preliminary reports), 1915 : Part I. - Metals and nonmetals except fuels by Ransome, F. L. (Frederick Leslie), 1868-1935

    Published: U.S. G.P.O., 1915
    Description: 361 pages : illustrations, xii plates (including some folded maps) ; 24 cm.
    Book
  3. 3

    Contributions to economic geology (short papers and preliminary reports), 1921 : Part I. - Metals and nonmetals except fuels by Ransome, F. L. (Frederick Leslie), 1868-1935

    Published: U.S. G.P.O., 1922
    Description: 440 pages : illustrations, xix plates (including some folded maps) ; 24 cm.
    Book