Preservation of historical and archeological data and preservation of historic monuments [electronic resource] : hearings, Ninety-second Congress, first session, on S. 1245 ... [and] S. 1152 ... June 10, 1971
ProQuest U.S. Congressional Hearings Digital Collection
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AVAILABLE ONLINE TO AUTHORIZED PSU USERS.
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Electronic reproduction. [Bethesda, Md.] : ProQuest, 2004. digital, PDF file. ProQuest U.S. Congressional Hearings Digital Collection. Mode of access: World Wide Web via ProQuest website.