Keywords: Albert Taylor sounding equipment in Antarctica.JPG Albert H Taylor Naval Research Laboratory experiments with echo sounding equipment to determine speed at which sound travels through ice This photo was taken at Little America IV during Operation Highjump 1946-1947 http //www usap gov/; http //photolibrary usap gov/Portscripts/PortWeb dll query field1 Filename op1 matches value ALBERTHTAYLORLAIV JPG catalog Antarctica template USAPgovMidThumbs exact source Austral summer 1946-1947 Photograph by US Navy National Science Foundation PD-USGov-NSF PD-USGov-Military-Navy Albert Taylor Operation Highjump |