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  1. 1

    Shorter contributions to paleontology and stratigraphy by Geological Survey (U.S.)

    Published: U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988
    Description: 1 volume (various pagings) : illustrations ; 28 cm.
    Government Document Book
  2. 2

    Shorter contributions to paleontology and stratigraphy

    Published: Department of the Interior, U.S. Geological Survey, 1988
    Description: 1 online resource (96 unnumbered pages) : illustrations, maps.
    Government Document eBook