Is Great Lakes shipping an underutilized economic resource?

Bibliographic Details
Corporate Authors: Michigan Sea Grant Program, University of Michigan
Format: Book
Language:English
Published: [East Lansing] : Michigan State University Cooperative Extension Service, [1983?]
Series:MICHU-SG (Michigan Sea Grant Program) ; no. 83-500.
Subjects:
Description
Item Description:Contributions by John Hazard [and others].
"Michigan Sea Grant Program"
Physical Description:ii, 33 pages : illustrations, maps ; 28 cm.