01290cam a2200277 4500 gs 67000317 DLC 20260227111421.0 690307s1967 inuab b 000 0 eng c gs 67000317 U.S. Geol. Survey. Library DLC DLC QE109 .A32 no. 36 562 Rexroad, Carl Buckner, 1925- 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. 64 p. : illus., fold. map (in pocket) ; 23 cm. Geological Survey bulletin 36 With : 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. Bound together subsequent to publication. DLC Bibliography: p. 61-64. Conodonts. Paleontology Middle West. Paleontology Silurian. Brassfield (Silurian) in the Cincinnati Arch area. Geological Survey bulletin (Bloomington, Ind.) ; 36. 30393 30393