Figure 47. The white area shows land that was above water
during the Cretaceous Period and the blue areas are the sea (modified from
paleogeographic map of North America as it was in mid-Cretaceous time in
Historical Geology by Carol O. Dunbar, 1964, John Wiley and Sons).
Kansas Geological Survey
Updated March 6, 1996
Comments to firstname.lastname@example.org
URL = http://www.kgs.ku.edu/Publications/primer/fig47.html