The fabulous Keokuk geodes
By: by Stephen R. Sinotte.
Publisher: Wallace-Homestead Co.
Published: 1969
Place of publication: [Des Moines
Language: eng
Subjects: Geodes.; Petrology -- Iowa.; Petrology -- Missouri.; Petrology -- Illinois.
Other titles: Keokuk geodes.
Notes: Bibliography: v. 1, p. 289-292.
Table of contents: title: v. 1. Their origin, formation and development in the Mississippian lower Warsaw beds of southeast Iowa and adjacent States.