56 pages : plates (1 folded in pocket)map, diagrams, tables
OCLC
ocm04302964
Bibliography: page 56.
Stratigraphy of the Casper formation, by M.L. Thompson, H.D. Thomas, and J.W. Harrison.--Systematic paleontology of fusulinids from the Casper formation, by M.L. Thompson and H.D. Thomas