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Mineral Resources of the Gore Range-Eagles Nest Primitive Area and Vicinity, Summit and Eagle Counties, Colorado

George Earle BecraftOgden TwetoThor H. KiilsgaardWilliam Porter IrwinBruce BryantRobert C. GreeneVal L. FreemanFrank E. WilliamsHorace K. ThurberJoseph S. Coffman

出版	U.S. Government Printing Office, 1970
URL	http://books.google.com.hk/books?id=fKaluwEACAAJ&hl=&source=gbs_api