The earth, past & present
By: Richard W. Ojakangas, David G. Darby.
Contributors: Darby, David G., 1932- joint author.
Series: McGraw-Hill earth science paperback series
Publisher: McGraw-Hill
Published: 1976
Place of publication: New York
Language: eng
Number of pages: 260
Subjects: Geology.
Notes: Includes index.