Investigating the earth.
Contributors: American Geological Institute.
Edition: Rev. [ed.]. --
Publisher: American Geological Institute
Published: 1965
Place of publication: [Denver?]
Language: eng
Subjects: Cosmology -- Study and teaching (Secondary); Earth -- Study and teaching (Secondary); Physical geography -- Study and teaching (Secondary); Science -- Study and teaching (Secondary)
Notes: "Produced at the 1965 Summer Writing Conference, held at the University of Colorado, Boulder."

"Prepared for experimental use in secondary school earth science courses."
Table of contents: title: Text.; title: Teacher's guide (2 v.).; title: Laboratory manual.