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St. Lawrence seaway dedication of Eisenhower lock at lock site near Massena,
N. Y., June 3, 1956
Photo of excavation of pit for Eisenhower lock construction, January 16, 1956.
ANNUAL REPORT OF THE ST. LAWRENCE SEAWAY
19
Artist's sketch of completed Eisenhower lock (looking northerly) with lake-type ship proceeding upstream. Highway tunnel at extreme left.
Concreting at Eisenhower lock (looking southwest), September 22, 1956.
21
Artist's sketch looking northwest of new international highway bridge being constructed across south channel at Cornwall Island