Tanner, James T. (James Taylor). Tensas River National Wildlife Refuge, U.S. Fish & Wildlife Service, ivory-billed woodpecker records, 1935-1941. 100 photographs, 1 map. Location: 11:31, OS:T. James Taylor Tanner studied the Ivory-billed Woodpecker in the great Sanger tract in northeastern Louisiana, the last refuge for the nearly extinct species. Photographs document 6 field seasons during the years of 1935-1941 during which Tanner and associates studied the woodpecker and its environment on the Sanger Tract, Madison Parish, Louisiana, in what is now the Tensas River National Wildlife Refuge. For further information, see online catalog. Mss. 4171.