John F. Ploog
Thunder Hawk, SD
1934, 2759-V, Lake Andes then Galena, F-2,
1935, 1936, 4725-V, Galena, American Island, SP-5, Ass't Leader
1937, 4725-V, Chamberlain, SP-5, Ass't Leader
1939, 4725-V, Huron, SCS-4,
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