The Yellow Spring Group of the Upper Devonian in Iowa
By: by Fred H. Dorheim, Donald L. Koch [and] Mary C. Parker.
Contributors: Koch, Donald L., joint author.; Parker, Mary C., joint author.
Publisher: Iowa Geological Survey
Published: 1969
Place of publication: Iowa City
Language: eng
Number of pages: 30
Subjects: Geology, Stratigraphic -- Devonian.; Geology -- Iowa.
Notes: Bibliography: p. 29-30.