Gatun Spillway in Operation, Panama Canal.
U. S. [United States] "C" Class Submarines in Gatun Locks, Panama Canal.
Lower chamber, Miraflores Locks, looking South, Panama Canal.
U. S. S. "North Dakota" in Cut, Culebra, C. Z.
U. S. S. [United States Submarine] "Tennessee" in Miraflores Locks, Panama Canal.
Two U. S. [United States] Battleships Locking simultaneously in Pedro Miguel Locks, Panama Canal.
[Street scene]
U. S. Battleship in Culebra Cut, C. Z.
[Canal Lock]
Opening Lower Guard Gates, Gatun Locks, Panama Canal.