Showing 1 - 3 results of 3 for search '"United States."', query time: 0.15s Refine Results
  1. 1
    Index to the United States minerals exploration assistance records from the DMA, DMEA, OME mineral exploration programs, 1950-1974 /
    Published 2003
    Subjects: “...Prospecting United States Finance Indexes....”
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    Government Document eBook
  2. 2
    Historical files from federal government mineral exploration-assistance programs, 1950 to 1974 : http://minerals.usgs.gov/dockets/ /
    by Frank, David (David Gerard)
    Published 2010
    Subjects: “...Mines and mineral resources United States History....”
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    Government Document eBook
  3. 3
    Mining claim activity on federal land in the contiguous United States, 1976 through 2004 /
    by Causey, J. Douglas
    Published 2006
    Subjects: “...Mining claims United States Databases....”
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    Government Document eBook
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