Palmer, Earl2011-08-152011-08-152005-04-29ep241.jpeghttp://hdl.handle.net/10919/104098 inches x 10 inchesimage/jpegen-USIn CopyrightAppalachian RegionTransportationIndustryWashington, D.C.C and OChesapeake and OhioWaterwaysViaductsLoading Canal Barge in Georgetown, Washington, D.C.ImageVirginia Tech. Special Collections Department