Title taken from caption. Crewmembers practice semaphore signalling aboard the U.S. Coast Guard Cutter Northland. Photograph taken during the 1937 Smithsonian Institution's Archaeological Expedition to the Aleutian Islands.
Title taken from caption. Silhouette of a person standing at the water's edge, flags in rasied arms, using semaphore to signal a boat at Savoonga, Saint Lawrence Island, Alaska. 1938-1941. Original photograph size: 3 3/8" x 2 3/8".