Revisions to stratigraphic nomenclature of Jurassic and Cretaceous rocks of the Colorado Plateau - Condon, Steven M.; Peterson, Fred (United States Gov. Print. Off., 1988)
Enth. u.a.: Revisions in nomenclature of the Middle Jurassic Wanakah formation, northwestern New Mexico and northeastern Arizona / by Steven M. Condon and A. Curtis Huffman. Stratigraphy and nomenclature of Middle and Upper Jurassic rocks, western Colorado Plateau, Utah and Arizona / by Fred Peterson