A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Development of harbor at Duluth, Minn and Superior, Wis, since early French settlements with data on traffic; about 71% of total tonnage of harbor is iron ore which constitutes largest item of commerce; history, types and tonnages of traffic and description of harbor before and after recent improvements.
Development of harbor at Duluth, Minn and Superior, Wis, since early French settlements with data on traffic; about 71% of total tonnage of harbor is iron ore which constitutes largest item of commerce; history, types and tonnages of traffic and description of harbor before and after recent improvements.
Duluth-Superior harbor
Am Soc Civ Engrs -- Proc
Cole, H.R. (author)
1948
8 pages
Article (Journal)
English
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