How old is the earth? /
Hurley, Patrick M.
How old is the earth? / Patrick M. Hurley ; illustrated by R. Paul Larkin. - 1st ed. - New York : Doubleday and Company, c1959. - 160 p. : ill. ; 18 cm. - Science Study Series. 5 .
Includes index and bibliography
(N.A.) : 95 c
Earth.
Earth--Age.
Earth--Origin.
Inner planets.
Terrestrial radiation.
L 551.7
How old is the earth? / Patrick M. Hurley ; illustrated by R. Paul Larkin. - 1st ed. - New York : Doubleday and Company, c1959. - 160 p. : ill. ; 18 cm. - Science Study Series. 5 .
Includes index and bibliography
(N.A.) : 95 c
Earth.
Earth--Age.
Earth--Origin.
Inner planets.
Terrestrial radiation.
L 551.7