01363nam 2200373 a 450 991069639910332120090724101814.0(CKB)5470000002376835(OCoLC)427641450(EXLCZ)99547000000237683520090724d2007 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierHistoric resource study[electronic resource] Chesapeake & Ohio Canal /by Harlan D. Unrau ; prepared by Karen M. GrayHagerstown, Md. :U.S. Dept. of Interior, National Park Service, Chesapeake & Ohio Canal National Historical Park,[2007]850 pages illustrations ;28 cmTitle from title screen (viewed July 23, 2009)"August 2007."Includes bibliographical references.Historic resource study Chesapeake and Ohio Canal (Md. and Washington, D.C.)HistoryChesapeake and Ohio Canal National Historical ParkHistoryUnrau Harlan D700312Gray Karen M1393469United States.National Park Service.GPOGPOBOOK9910696399103321Historic resource study3449632UNINA