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3by Kreutzer, Lee“...National Park Service, Department of the Interior,...”
Published 2006
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4by Kreutzer, Lee“...National Park Service, Department of the Interior,...”
Published 2010
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5Published 2003“...U.S. Dept. of the Interior, National Park Service,...”
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6Published 2008“...National Park Service, U.S. Department of the Interior,...”
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7Published 2002“...National Park Service, U.S. Department of the Interior,...”
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8Published 2009“...National Park Service, United States Department of the Interior,...”
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9by Thornberry, Trista L.“...National Park Service, Geologic Resources Division ; U.S. Department of the Interior, National Park...”
Published 2013
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10by Schoch-Roberts, Lisa“...U.S. Dept. of the Interior, National Park Service, Intermountain Region,...”
Published 1997
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11by Effinger, William L. (William Lloyd)“...U.S. Dept. of the Interior, National Park Service, Field Division of Education,...”
Published 1934
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12by Beals, Ralph L. (Ralph Leon), 1901-1985“...U.S. Department of the Interior, National Park Service, Field Division of Education,...”
Published 1935
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13by Theobald, David M.“...U.S. Department of the Interior, National Park Service, Natural Resource Program Center,...”
Published 2010
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14by Vana-Miller, David“...U.S. Department of the Interior, National Park Service, Natural Resource Program Center,...”
Published 2010
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15by Brasher, Anne M.“...U.S. Department of Interior, National Park Service, Natural Resource Stewardship and Science,...”
Published 2011
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16by Thomas, Kathryn A.“...U.S. Department of the Interior, National Park Service, Natural Resource Program Center,...”
Published 2009
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17by 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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18by 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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19by 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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20by Salas, David E.“...U.S. Department of the Interior, National Park Service, Natural Resource Program Center,...”
Published 2011
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