1985 New York State Barge Canal System Series of Charts. 45 sheets in spiral binding and measuring 11" x 17 1/2" with most printed on both sides. 10th Edition. Includes Cayuga-Seneca Canals, Oswego Canal, Erie and Champlain Canals. Published by U.S.Dept. of Commerce - National Oceanic and Atmospheric Administration. (see photos of a portion of the contents).