The earth, past& present
By: (by) Richard W. Ojakangas, David G. Darby.
Contributors: Darby, David G.
Series: McGraw-Hill earth science paperback series
Publisher: McGraw-Hill; Mcgraw-Hill College
Published: 1976
Place of publication: New York; London (etc.)
Language: eng
Number of pages: 260
Subjects: Earth.
Other titles: The earth past and present.
Notes: Index.