Factors affecting the level U.S. grain exports from the Great Lakes/St. Lawrence Seaway System

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100	1	0	‡aAbe, Peter W.
245	1	0	‡aFactors affecting the level U.S. grain exports from the Great Lakes/St. Lawrence Seaway System / ‡cby Peter W. Abe.
260	1	⊔	‡c1982.
300	⊔	⊔	‡aviii, 189 leaves : ‡bill., map ; ‡c29 cm.
500	⊔	⊔	‡aTypescript.
502	⊔	⊔	‡aThesis (M.S.)--University of Wisconsin--Madison, 1982.
504	⊔	⊔	‡aBibliography: leaves 185-189.
538	⊔	⊔	‡aMode of access: Internet.
650	⊔	0	‡aGrain ‡zUnited States ‡xTransportation.
650	⊔	0	‡aGrain trade.
690	⊔	⊔	‡aDissertations, Academic ‡xAgricultural Economics.
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