This field guide aims to equip enthusiasts with comprehensive knowledge for identifying and appreciating the diverse array of vessels navigating the Great Lakes and St. Lawrence Seaway.

This guide is presented as an indispensable resource for anyone interested in maritime activity on the Great Lakes and St. Lawrence Seaway. Its detailed approach to vessel identification, including statistics, historical data, and visual cues, suggests it serves as a thorough reference for both casual observers and dedicated boatwatchers. The inclusion of regional specifics like locks and canals, alongside sailor stories, indicates a comprehensive scope designed to enrich the reader's understanding of the area's nautical heritage.