Mile 7 - Note the bypass flume that circle the back of the lockhouse.
The Clara Barton home is nearby. She was the founder of the American Red Cross
and the major commuter route that runs alongside the canal here is the Clara Barton
Nearby Glen Echo Park
Clara Barton National Historical Site
The lock is of the drop gate variety (more on that later.) The walls of the lock
appear to be reinforced with diagonal beams.