33rd annual Tri-State Field Conference, October 17-19, 1969
Subtitle: [guidebook]
By: Sponsored by Iowa State University, Ames, Iowa. Conference coordinators: Carl F. Vondra and Lyle V. A. Sendlein.
Contributors: Vondra, Carl F.; Sendlein, Lyle V. A.; Iowa State University.
Series: Iowa State University. Dept. of Earth Science. Publication no. 2
Published: 1969
Place of publication: [Ames, Iowa
Language: eng
Number of pages: 76
Subjects: Geology -- Iowa -- Guidebooks.
Notes: Includes bibliographical references.
Cover title.