Showing 1 - 5 results of 5 for search 'Brock, M. R. (Maurice Rex), 1922-', query time: 0.12s Refine Results
  1. 1
    Geologic map of the Harper quadrangle, Liberia /
    Government Document Map
  2. 2
    Geologic map of the Mount Tyndall quadrangle, Custer County, Colorado /
    Government Document Map
  3. 3
    Geologic map of the Mount Harvard quadrangle, Chaffee and Gunnison Counties, Colorado /
    Government Document Map
  4. 4
    Regional structure of the southeast Missouri and Illinois-Kentucky mineral districts : study of the principal geologic structures and mines in and between two major mineral-producing districts /
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    Government Document eBook
  5. 5
    Geology and thorium deposits of the Wet Mountains, Colorado : a progress report /
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    Government Document
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