Soft Cover, Washington: National Geographic Society, 1950. Good with no dust jacket.
Sound binding. Pages clean, off-white. Wrappers have wear on spine, overall handling wear, soiling. Contents: Vosburgh, Flying in the "blowtorch" era. Long, Stewart, and Fletcher, Sea to lakes on the St. Lawrence. Palmer, Sisson and Fletcher, "Delmarva," gift of the sea. Colton, Mapping the unknown universe. ; 10.0" tall.