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Ohio River's new stairway to Pittsburgh
Improvement program of Corps of Engineers; 46 old locks will be replaced by 19 new ones; large, new locks can be emptied and filled many times quicker than old ones and they will require 1/3 of former manpower; lock and dam structures, completed or under construction, are; McAlpine Lock, Markland Lock and Dam, Meldahl Lock and Dam, Greenup Locks and Dam, Pike Island Lock and Dam, and New Cumberland Locks and Dam; typical twin locks are 1200 and 600 ft long.
Ohio River's new stairway to Pittsburgh
Improvement program of Corps of Engineers; 46 old locks will be replaced by 19 new ones; large, new locks can be emptied and filled many times quicker than old ones and they will require 1/3 of former manpower; lock and dam structures, completed or under construction, are; McAlpine Lock, Markland Lock and Dam, Meldahl Lock and Dam, Greenup Locks and Dam, Pike Island Lock and Dam, and New Cumberland Locks and Dam; typical twin locks are 1200 and 600 ft long.
Ohio River's new stairway to Pittsburgh
Eng News-Rec
Jacobus, Jr., W.W. (author)
Engineering News-Record ; 166
1961
Article (Journal)
English
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