Under the deep oceans : twentieth century voyages of discovery /
Gaskell, Thomas Frohock.
Under the deep oceans : twentieth century voyages of discovery / Thomas Frohock Gaskell - New York : Eyre and Spottiswoode, 1960 - 239 p. : ill. ; 22 cm.
Includes index
Challenger (Steamship)
Ocean bottom.
Deep-sea sounding.
551.46 / GAU 1960
Under the deep oceans : twentieth century voyages of discovery / Thomas Frohock Gaskell - New York : Eyre and Spottiswoode, 1960 - 239 p. : ill. ; 22 cm.
Includes index
Challenger (Steamship)
Ocean bottom.
Deep-sea sounding.
551.46 / GAU 1960