not according the the United States Coast Guard or the United States Army Corps
of Engineers.

From: (Shen44)
Date: 10/17/2004 1:43 PM Eastern Daylight Time
Message-id:

Question.
Does this "lock" include a chamber that you bring boats into, close a gate at
both ends, then raise or lower the water level in some way so that you are
either higher or lower than when you entered the chamber?

Shen