TY - BOOK ED - United States. TI - The port of Detroit and ports on the Saginaw river, Michigan U1 - 387.1 PY - 1973/// CY - Washington, D.C. PB - United States Government Printing Office KW - Harbors KW - Detriot KW - Ports N1 - Parts covering specific ports, each called Part 2, prepared by the Board of Engineers for Rivers and Harbors; Title from cover ER -