ANCHOR CHAIN And JOINING LINKS Assure Extreme Stre ngth And Durability NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY General Offices Cleveland, Ohio 5 The Great Lakes RED BOOK 1952 VESSELS OF THE GREAT LAKES with the names of OWNER, CAPTAIN AND ENGINEER os Complete Port Directory Complete Shipyard Directory Dimensions and Capacity of Bulk Freighters ~ Published by THE PENTON PUBLISHING CO. Penton Building Cleveland 13, Ohio Copyright 1952, The Penton Publishing Co. Cleveland, Ohio