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.
Lower chamber, Miraflores Locks, looking South, Panama Canal.
U. S. S. "North Dakota" in Cut, Culebra, C. Z.
Gatun Spillway in Operation, Panama Canal.
U. S. [United States] "C" Class Submarines in Gatun Locks, Panama Canal.
Australian Hospital Ship "Marama" Homeward bound with wounded from the European battlefields, Passing through Gatun Locks, Panama Canal.
[Woman on small boat]
[Empress of Britain in lock of Panama Canal]