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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Geological Survey (U.S.) - Toth, Margo I.
    Publication info: [Reston, Va.?], 1983
    Holding Institution: Bureau of Land Management
  2. By: Hovorka, Dirk S. - Patterson, Charles G. - Toth, Margo I. - Geological Survey (U.S.) - United States. Bureau of Land Management.
    Publication info: [Reston, Va.?], U.S. Department of the Interior, Bureau of Land Management, 1983
    Holding Institution: Bureau of Land Management
  3. By: Walker, Robert J. - Dixon, H. Roberta. - Toth, Margo I. - Geological Survey (U.S.) - United States. Bureau of Land Management.
    Publication info: [Denver, Colo.], U.S. Department of the Interior, Geological Survey, 1983
    Holding Institution: Bureau of Land Management