Duvall, Allen J.Usage Conditions ApplyCloseUsage Conditions ApplyThe Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact photos@si.edu. Print Biographical HistoryAllen J. Duvall was an ornithologist who worked for the Fish and Wildlife Service.SourceLibrary of Congress. NACO. Control Number: nr2005030829Related entitiesU.S. Fish and Wildlife Service : Worked forTopicAnimalsBirdsForm/GenrePersonal nameOccupationOrnithologists