Dwight D. Eisenhower Lock References Dwight D. Eisenhower Lock lock, Canada Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: canals and inland waterways/ Major inland waterways of North America…meters (38 feet) by the Dwight D. Eisenhower Lock into Lake St. Lawrence. Leaving the western end of the lake, the seaway bypasses the Iroquois Control Dam and proceeds through the Thousand Islands to Lake Ontario. Read More…meters (38 feet) by the Dwight D. Eisenhower Lock into Lake St. Lawrence. Leaving the western end of the lake, the seaway bypasses the Iroquois Control Dam and proceeds through the Thousand Islands to Lake Ontario. Read More