Geology and earth sciences sourcebook for elementary and secondary schools.
By: Robert L. Heller, editor. Prepared under the guidance of the American Geological Institute, National Academy of Sciences-National Research Council.
Contributors: Heller, Robert L. 1919- ed.; National Academy of Sciences (U.S.); University of Minnesota, Duluth.
Publisher: Holt, Rinehart and Winston
Published: 1962
Place of publication: New York
Language: eng
Number of pages: 496
Subjects: Geology -- Study and teaching
Notes: Held on the Duluth campus of the University of Minnesota.