Carlson, Marvin P. Lithostratigraphy and correlation of the Mississippian system in Nebraska, by Marvin P. Carlson. - [Lincoln, Neb.] 1963. - 46, xv p. illus., maps (part fold.) 23 cm. Part of illustrative matter folded in pocket. Bibliography: p. 44-46. LCCN: gs 64000287 Subjects--Topical Terms: Geology--Nebraska.Geology, Stratigraphic--Mississippian. LC Class. No.: QE135 / .A4 no. 21