Wilderness preservation system :
hearings before the Subcommittee on Public Lands of the Committee on Interior and Insular Affairs, House of Representatives, Eighty-seventh Congress, first[-second] session, on S. 174 [and other] bills to establish a national wilderness preservation system for the permanent good of the whole people, and for other purposes ....

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Full view   pt.1 University of California
Full view   v.1 University of California
Full view   pt.1 (87-1) State University System of Florida
Full view   v.2 University of California
Full view   v.2 University of California
Full view   pt.2 (87-1) State University System of Florida
Full view   v.3 University of California
Full view   pt.3 (87-1) State University System of Florida
Full view   v.4 University of California
Full view   pt.4 (87-2) State University System of Florida