Showing 1 - 2 results of 2 for search 'Mayuga, Manuel Nieva, 1917-', query time: 0.09s Refine Results
  1. 1
    The geology and ore deposits of the Helmet Peak area, Pima County, Arizona
    by Mayuga, Manuel Nieva, 1917-
    Published 1942
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  2. 2
    The geology of the Empire peak area, Pima county, Arizona
    by Mayuga, Manuel Nieva, 1917-
    Published 1940
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    Get full text
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