Dugan, James, 1912-1967.
World beneath the sea by James Dugan - Washington National Geographic Society c1967 - 204 p. illus. (part col.), map, ports. 26 cm.
Bibliography: p. 202.
Underwater exploration.
Oceanography -- Popular works.
Cir 551.4 D87 1967
World beneath the sea by James Dugan - Washington National Geographic Society c1967 - 204 p. illus. (part col.), map, ports. 26 cm.
Bibliography: p. 202.
Underwater exploration.
Oceanography -- Popular works.
Cir 551.4 D87 1967