02054nam 2200421I 450 991070654340332120180112104148.0(CKB)5470000002457014(OCoLC)1013890806(EXLCZ)99547000000245701420171204e20uu1967 ua 0engurgn|||||||||txtrdacontentcrdamediacrrdacarrierSurvey report for the lock #66 complex located north of Paw Paw Tunnel, Chesapeake and Ohio Canal /prepared by Archie W. Franzen ; for United States Department of the Interior, National Park Service, Office of Archeology and Historic Preservation[Washington, D.C.] :United States Department of the Interior, National Park Service, Office of Archeology and Historic Preservation,1967.[Hagerstown, Md.] :[Chesapeake and Ohio Canal National Historical Park],[20uu]1 online resource (ii, 12 pages) illustrations"Historic structures report, architectural data section.""December 1967."Includes bibliographical references.Survey report for the lock #66 complex Locks (Hydraulic engineering)Chesapeake and Ohio Canal (Md. and Washington, D.C.)Design and constructionLocks (Hydraulic engineering)Chesapeake and Ohio Canal (Md. and Washington, D.C.)Maintenance and repairChesapeake and Ohio Canal (Md. and Washington, D.C.)HistoryLocks (Hydraulic engineering)Design and construction.Locks (Hydraulic engineering)Maintenance and repair.Franzen Archie W.1400948United States.Office of Archeology and Historic Preservation,Chesapeake and Ohio Canal National Historical Park (Agency : U.S.)GPOGPOBOOK9910706543403321Survey report for the lock #66 complex3468777UNINA