Showing 1 - 2 results of 2 for search '"Geological Survey bulletin ;"', query time: 0.39s Refine Results
  1. 1
    Iron-manganese ore deposit at White Rocks, Cumberland County, Pennsylvania /
    by Foose, Richard Martin, 1915-
    Published 1945
    “...Pennsylvania. Topographic and Geologic Survey. Bulletin ;...”
    Book
  2. 2
    Manganese minerals of Pennsylvania /
    by Foose, Richard Martin, 1915-
    Published 1945
    “...Pennsylvania. Topographic and Geologic Survey. Bulletin ;...”
    Book
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