Cadigan, Robert Allen, 1918- Petrology of the Morrison Formation in the Colorado Plateau region, by Robert A. Cadigan. - Washington, U.S. Govt. Print. Off., 1967. - v, 113 p. illus., maps (1 fold. in pocket) 29 cm. "Prepared on behalf of the U. S. Atomic Energy Commission." Bibliography : p. 110-112. LCCN: gs 67000155 Subjects--Topical Terms: Petrology--Colorado PlateauGeology--Colorado PlateauGeology, Stratigraphic--Jurassic LC Class. No.: QE75 / .P9 no. 556 Dewey Class. No.: 552/.00978 Gov. Doc. Class. No.: I 19.16:556