Guide book, fifteenth annual Tri-State Geological Field Conference
Subtitle: Devonian of northcentral Iowa
Publisher: publisher not identified
Published: 1951
Place of publication: Place of publication not identified
Language: eng
Number of pages: 21
Subjects: Geology; Guidebooks
Other titles: Guide book for the fifteenth annual Tri-State Geological Field Conference :; Devonian of northcentral Iowa; Guidebook
Notes: "This guidebook was prepared by Dr. Leo A. Thomas."

Includes bibliographical references (leaf 21).