Additional title page description: Stratigraphic, paleontologic, and radiometric data are combined to determine the paleogeography for a part of the upper Upper Cretaceous.
· 1935
Additional title page description: Regional stratigraphic studies and ammonite zonation are used in interpreting complex intertonguing and subtle facies changes in rocks of Late Cretaceous and early Tertiary age.
Description, environmental interpretation, and correlation of a 3,100-foot-thick sequence of marine shale.
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