1. Correlation of the Cretaceous formations of the Western Interior of the United States;WA Cobban;Geological Society of America Bulletin,1952
2. Sequence stratigraphy of foreland basin deposits: outcrop and subsurface examples from the Cretaceous of North America;LF Krystinik;American Association of Petroleum Geologists Memoir,1995
3. The Kirtlandian, a new land-vertebrate “age” for the Late Cretaceous of western North America;RM Sullivan;New Mexico Geological Society Guidebook,2003
4. The Kirtlandian land-vertebrate “age”–faunal composition, temporal position and biostratigraphic correlation in the nonmarine Upper Cretaceous of western North America;RM Sullivan;New Mexico Museum of Natural History and Science Bulletin,2006
5. Sedimentary Basins of the World;AD Miall,2008