The Great Lakes St. Lawrence Seaway intermodal transportation system /

Bibliographic Details
Corporate Authors: Saint Lawrence Seaway Development Corporation, United States. Department of Transportation
Format: Map
Language:English
Published: Washington, D.C. : The Corporation : The Department, [1974?]
Subjects:
Description
Item Description:Eight marginal maps show shipping concentration of various commodities.
Inset map: Great Lakes Basin subbasins.
Cover title: Sail the seaway & save.
On verso: The Deep draft ports of the Great Lakes St. Lawrence Seaway, map and text.
Cartographic material.
Physical Description:1 map : color ; 47 x 81 cm. on sheet 64 x 91 cm. folded to 24 x 10 cm.