Showing 1 - 5 results of 5 for search 'Pearl, Richard M.', query time: 0.01s Refine Results
  1. 1

    American gem trails by Pearl, Richard M. 1913-1980

    Published 1964
    Book

    American gem trails
  2. 2

    1001 questions answered about the mineral kingdom. by Pearl, Richard M. 1913-1980

    Published 1959
    Book

    1001 questions answered about the mineral kingdom.
  3. 3

    Rocks and minerals by Pearl, Richard M.

    Published 1956
    Book

    Rocks and minerals
  4. 4

    Colorado gem trails. by Pearl, Richard M.

    Published 1951
    Book

    Colorado gem trails.
  5. 5

    Guide to geologic literature. by Pearl, Richard M. 1913-1980

    Published 1951
    Book

    Guide to geologic literature.

Search Tools: