TY - BOOK ID - 138463594 TI - History of the commercial waterways & ports of the United States. AU - Harrison, Robert W. AU - National Waterways Study (U.S.) AU - U.S. Army Engineer Institute for Water Resources. PY - 1979 PB - [Fort Belvoir, Va.] : National Waterways Study, U.S. Army Engineer Water Resources Support Center, Institute for Water Resources, DB - UniCat KW - Waterways KW - Canals KW - Inland navigation KW - Water resources development KW - History. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138463594 AB - ER -