Mean lower low water is the reference plane used for __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — soundings on the U.S. east and west coasts
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'Mean lower low water is the reference plane used for', the verified fact is: 'soundings on the U.S. east and west coasts'.
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