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  1. 1

    Contributions to economic geology, 1906: Part II-Coal, Lignite, and Peat by Campbell, Marius R. (Marius Robinson), 1858-1940

    Published: U.S. G.P.O., 1907
    Description: 543 pages, v : illustrations, plates, maps (some folded) ; 24 cm.
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    Contributions to economic geology, 1906: Part II-Coal, Lignite, and Peat
  2. 2

    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
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    Contributions to economic geology, 1907: Part II.-Coal and Lignite
  3. 3

    Geology and coal deposits in part of the Coos Bay coal field, Oregon : geological investigations, sample data, and estimated reserves in part of the Coos County coal field by Duncan, Donald C., 1911-1990

    Published: G.P.O., 1953
    Description: pages iii, 53-73 : illustrations, maps ; 24 cm.
    Government Document Book
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    Geology and coal deposits in part of the Coos Bay coal field, Oregon : geological investigations, sample data, and estimated reserves in part of the Coos County coal field
  4. 4

    Mineral resources of Alaska : report on progress of investigations in 1932 by Smith, Philip S. (Philip Sidney), 1877-1949

    Published: U.S. G.P.O., 1934
    Description: 173 pages : illustrations, folded maps ; 24 cm.
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    Mineral resources of Alaska : report on progress of investigations in 1932

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