Principal unconformities in Triassic and Jurassic rocks, Western Interior United States.  by G.N. Pipiringos and R.B. O'Sullivan.
Contributors: O'Sullivan, R.B.
Publisher: U.S. Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 29
Subjects: Geology, Stratigraphic - Triassic; Geology, Stratigraphic - Jurassic
Notes: 11