Where can a detailed explanation of call-in points for the Welland Canal be found?

The correct choice is found in the Seaway Handbook, as this document is specifically designed to provide detailed information related to navigation through the Welland Canal and other waterway systems. It includes information about call-in points, which are critical for vessels to manage communication with traffic controllers and ensure safety while navigating the canal.

The Seaway Handbook is a comprehensive resource that contains navigational details, operational guidelines, and safety protocols that mariners need to follow in these areas. This handbook serves as a vital tool for both commercial and recreational boaters, providing clarity on how to proceed through specific sections of the waterway.

Other options, like the Navigation Manual, may contain general navigation guidelines but do not focus specifically on the Welland Canal's operational nuances. The Fishing Regulations Guide pertains to fishing laws and regulations rather than navigation, and Local Notices to Mariners provide timely updates and advisories but may not offer extensive explanations regarding designated procedures like call-in points. Therefore, for thorough and detailed navigation protocols related to the Welland Canal, the Seaway Handbook is the most appropriate resource.