These 3 volumes contain field notes and calculations of engineers employed on the canal system. One book was kept by C. E. Gray for work near Canajoharie; another is a level book kept on the middle division of the Oswego canal; and the third is a level book kept near Marcellus.
Creator
New York (State). Comptroller's Office
Access Restrictions
There are no restrictions regarding access to or use of the material.