Hyde, Margaret O.
Exploring earth and space / by Margaret O. Hyde. Illustrated by Elizabeth Ann Winson. - 5th ed. - New York : McGraw, 1970. - 174 p. : ill., maps.
Discusses many discoveries about the earth, sea, and space made since 1957.
74109250
International Geophysical Year, 1957-1958.
Geophysics.
Space flight.
551
Exploring earth and space / by Margaret O. Hyde. Illustrated by Elizabeth Ann Winson. - 5th ed. - New York : McGraw, 1970. - 174 p. : ill., maps.
Discusses many discoveries about the earth, sea, and space made since 1957.
74109250
International Geophysical Year, 1957-1958.
Geophysics.
Space flight.
551