Your vessel has been ordered to proceed to the United Grain Growers Wharf at Thunder Bay, Lake Superior, for the purpose of taking on a load of wheat. Which publication(s) would you consult for such information as the length of the wharf, the depth of the water alongside, and the loading capacity at the facility?
• Harbor and port facility information such as wharf length, depth alongside, and cargo-handling capacity • The difference between government hydrographic publications and industry directories • What type of information is typically found in charts and Light Lists vs. in sailing directions/Coast Pilots
• Ask yourself: which option is specifically designed to give detailed descriptions of harbors and facilities (wharves, terminals, depths alongside, services)? • Consider which choice is an official navigation/hydrographic publication commonly tested on U.S. Coast Guard exams for Great Lakes ports. • Think about what a Light List and nautical chart actually show—would they normally include loading capacity or just aids to navigation and basic depths?
• Verify which choice covers the Great Lakes and connecting waterways as a standard reference for mariners. • Check which publication class typically includes: wharf dimensions, pier numbers, depth alongside, and services/facilities available. • Eliminate any option that mainly focuses on aids to navigation (lights, buoys) or that would not normally list loading capacities and detailed terminal data.
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