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Title
[Signalman Carl J. Waller, Lieutenant John G. Worth and Signalman John Grosse at the Navy's lookout and signal station on Yerba Buena Island] [graphic].
[Signalman Carl J. Waller, Lieutenant John G. Worth and Signalman John Grosse at the Navy's lookout and signal station on Yerba Buena Island] [graphic].
On back: "L/R - Sig 2/c Carl J. Waller, Watch Supervisor; Lt. (JG) John G. Worth, officer in charge of Yerba Buena Sig Station; Sig 3/c John Grosse, ship movement man using teletype".