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Field Guide to Boats and Boatwatching on the Great Lakes & St. Lawrence Seaway

​Everything you need to know about the ships that pass our shores, including:

  • The lowdown on hundreds of U.S., Canadian and international-flag vessels that sail the inland seas, including owner and port of registry, vital statistics, and former names.

  • Boat pictures

  • Stacks & flags

  • Locks & canals

  • Stories about ships and sailors

NEW! Know Your Ships 2024

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