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New York (State). Department of Transportation
Erie Canal (N.Y.)
New York (State)
Oswego Canal (N.Y.)
Contracts for work and labor--New York (State)
Canals--New York (State)
Canals--Design and construction
Diagrams
Sectional perspectives
Plans (orthographic projections)
Profiles
Maps (documents)
Location maps
Maintaining infrastructure
Constructing canals