Shorter contributions to the stratigraphy and geochronology of Upper Cretaceous rocks in the Western Interior of the United States

Autor Haley, J. C., Perry, W. J.
Vydáno 1995

Contributions to Late Cretaceous stratigraphy and paleontology, western Montana

Autor Haley, J.C., Perry, W. J., Nichols, Douglas J.
Vydáno 1991