Descending boats, while awaiting their turn to enter a lock, shall NOT block traffic from the lock. They shall be above the lock by at LEAST __________.
A
100 feet
B
200 feet
C
300 feet
D
400 feet
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Question 1 / 2066636ee928f7522a1c519547
Question 1 of 2066636ee928f7522a1c519547
Descending boats, while awaiting their turn to enter a lock, shall NOT block traffic from the lock. They shall be above the lock by at LEAST __________.
Descending boats, while awaiting their turn to enter a lock, shall NOT block traffic from the lock. They shall be above the lock by at LEAST __________.