The Great Lakes: North America's Inland Seas

Duration: 17

Year Published: 1971

Creator: Encyclopaedia Britannica Educ Corp

Format: 16mm

Color: Color

Copyright: Registered 5Jan72 · MP22303 (Jan-Jun 1972) Copyright holder: Encyclopaedia Britannica Educational Corp

Description: Describes the importance of the Great Lakes to the transportation, fishing, logging, farming, mining, and manufacturing industries of the Midwest. Discusses the formation of the lakes, the development of the canal system, and how the completion of the St. Lawrence Seaway opened the lakes to ocean-going vessels., Describes the importance of the Great Lakes to the fishing, logging, farming, mining and manufacturing industries of the region. Shows how the development of the canal system and the completion of the St. Lawrence Seaway opened the lakes to ocean-going vessels.

Complete Record: Describes the importance of the Great Lakes to the transportation, fishing, logging, farming, mining, and manufacturing industries of the Midwest. Discusses the formation of the lakes, the development of the canal system, and how the completion of the St. Lawrence Seaway opened the lakes to ocean-going vessels., Describes the importance of the Great Lakes to the fishing, logging, farming, mining and manufacturing industries of the region. Shows how the development of the canal system and the completion of the St. Lawrence Seaway opened the lakes to ocean-going vessels.NOTE: Two (or more) records have been merged together to create this data.