| Title | 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.
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| Published | Milwaukee, Wis. : Great Lakes Harbors Assoc., 1950.
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| Description | 83 pages, [2] leaves of plates : illustrations ; 23 cm
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| General Note | Panel participants: Martin W. Oettershagen, John R. Hardin, Lyndon Spencer, Ralph S. McCrea, W.H. Bosley.
Reprinted from the convention proceedings.
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