Trepostomatous bryozoan fauna of the upper part of the Whitewater formation (Cincinnatian) of eastern Indiana and Western Ohio /
by John Utgaard and T. G. Perry.
- Bloomington, Ind. : Printed by authority of the State of Indiana, 1964.
- 111 p. : illus. (1 fold in pocket ), map, 23 plates ; 24 cm.
With : Stratigraphy and conodont paleontology of the Brassfield (Silurian) in the Cincinnati Arch area / by Carl B. Rexroad. Bloomington, Ind. : Printed by authority of the State of Indiana, 1967. Bound together subsequent to publication.