Iroquois lock canal slices 43 ft deep and 80 ft wide through shale and limestone; at each end it fans out to 300-ft flanked approaches to ship channel; finished lock canal carries 30 ft of water over sills, is 1287 ft long, and will pass 720-ft ocean vessel between its lock gates.
First seaway lock completed
Roads Eng Construction
Roads and Engineering Construction ; 95 , n 11
1957
Article (Journal)
English
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