TY - RPRT TI - Paleo-oceanographic cycles and events during the Late Cretaceous in the Western Interior Seaway of North America AU - L.M. Pratt AU - M.A. Arthur AU - Walter E. Dean AU - Peter A. Scholle PY - 1993 UR - https://pubs.usgs.gov/publication/70207775 ID - 70207775 ER -