University of Arizona


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  1. Robert R. Humphrey Photograph Collection

    The collection is comprised of negatives and prints of vegetation types and landscape scenes taken by Robert R. Humphrey between 1949 and 1963. The collection also contains some reproduction photographs from “Views of the Monuments and Characteristic ...

    castanoe - 2015-07-29 15:39

  2. Paul Bigelow Sears Collection

    The collection consists of correspondence, manuscripts, grant proposals, reports, photographs, subject files, field notes, pollen samples and data relating to desert ecology which document Paul Sear's career as a botanist, ecologist and educator. The ...

    castanoe - 2015-07-29 15:49