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2by Powers, Richard B.Subjects: “...Wilderness areas United States....”
Published 1983
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3Published 2013Subjects: “...Environmental law United States. http://id.loc.gov/authorities/subjects/sh2009103157...”
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4by Woolley, Ralf R. (Ralf Rumel), 1884-1948“...United States Green River (Wyoming-Utah) fast (OCoLC)fst01713378...”
Published 1930
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5“...United States Phosphoria Formation. fast (OCoLC)fst01240604...”
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Government Document eBook