Exploring the deep frontier : the adventure of man in the sea /
Earle, Sylvia A., 1935-
Exploring the deep frontier : the adventure of man in the sea / by Sylvia A. Earle and Al Giddings ; prepared by the Special Publications, National Geographic Society, Washington, D.C. - Washington, D.C. : National Geographic Society, 1980 - 296 p. ; 33 cm.
0870443437 14.95
80-007567
Underwater exploration
Diving, Submarine
Exploring the deep frontier : the adventure of man in the sea / by Sylvia A. Earle and Al Giddings ; prepared by the Special Publications, National Geographic Society, Washington, D.C. - Washington, D.C. : National Geographic Society, 1980 - 296 p. ; 33 cm.
0870443437 14.95
80-007567
Underwater exploration
Diving, Submarine
