http://www.rssboard.org/rss-specification 720 XTF Search Results (subject=Harbors;subject-join=exact;smode=simple;brand=default) http://catalog.wrhs.org/collections/search?subject%3DHarbors;subject-join%3Dexact;smode%3Dsimple;brand%3Ddefault Results for your query: subject=Harbors;subject-join=exact;smode=simple;brand=default Thu, 01 Jan 1970 12:00:00 GMT Ashtabula Harbor, Ohio: a history of the world's greatest iron ore receiving port. Feather, Carl E. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Shipping operations and harbor development on the Great Lakes: a panel discussion before the American Association of Port Authorities at its thirty-eighth annual meeting and convention, Milwaukee, Wisconsin, October 12 to 15, 1949. Oettershagen, Martin W., Great Lakes Harbors Association, American Association of Port Authorities http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT