AVLEC ANCHOR CHAIN And JOINING LINKS Assure Extreme Strength And Durability NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY General Offices Cleveland, Ohio VESSELS OF THE GREAT LAKES with the name of OWNER, CAPTAIN AND ENGINEER 4. Complete Port Directory Complete Shipyard Directory Dimensions and Capacity of Bulk Freighters + 1940 SEASON i Published by THE PENTON PUBLISHING CO. CLEVELAND