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1Published 1993“...U.S. Dept. of the Interior, National Park Service,...”
Government Document Conference Proceeding Microform Book -
2by Sullivan, Timothy J. (Timothy Joseph), 1950-“...U.S. Department of the Interior, National Park Service, Natural Resource Program Center,...”
Published 2011
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3by Cook, Philip S., 1960-“...U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science,...”
Published 2014
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4“...U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science,...”
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5“...U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science,...”
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6by Truesdale, James A.“...U.S. Dept. of the Interior, National Park Service, Rocky Mountain Region, Division of Cultural...”
Published 1993
Government Document Microform Book