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New York (State). Department of Transportation
Erie Canal (N.Y.)
New York (State)
New York State Barge Canal System (N.Y.)
New York (State)--Western New York
Locks (Hydraulic engineering)
Bridges--Design and construction
Canals--New York (State)
Canals--Design and construction
Diagrams
Profiles
Detail drawings
Maps (documents)
Blueprints
Cross sections
Maintaining infrastructure
Constructing canals