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  1. 1

    Tungsten occurrences in Alaska by Cobb, Edward H. (Edward Huntington), 1916-1983

    Published: U.S. Geological Survey, 1975
    Description: 1 map : color ; 80 x 118 cm, folded in envelope 30 x 24 cm + text (5 pages ; 27 cm).
    Map
  2. 2

    Molybdenum, tin, and tungsten occurrences in Alaska by Cobb, Edward H. (Edward Huntington), 1916-1983

    Published: Interior--Geological Survey, 1960
    Description: 1 map : color ; 79 x 116 cm, folded in envelope 30 x 24 cm.
    Map