Pipiringos, G. N., & Imlay, R. W. (1979). Lithology and subdivisions of the jurassic stump formation in southeastern Idaho and adjoining areas: Marked rapid lateral changes in lithology, fossil content, and thickness of the Stump Formation are due principally to erosion associated with the Cretaceous (K) and Jurassic (J-4) unconformities. US Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Pipiringos, George N., und Ralph W. Imlay. Lithology and Subdivisions of the Jurassic Stump Formation in Southeastern Idaho and Adjoining Areas: Marked Rapid Lateral Changes in Lithology, Fossil Content, and Thickness of the Stump Formation Are Due Principally to Erosion Associated with the Cretaceous (K) and Jurassic (J-4) Unconformities. Washington: US Gov. Print. Off, 1979.
MLA-Zitierstil (9. Ausg.)Pipiringos, George N., und Ralph W. Imlay. Lithology and Subdivisions of the Jurassic Stump Formation in Southeastern Idaho and Adjoining Areas: Marked Rapid Lateral Changes in Lithology, Fossil Content, and Thickness of the Stump Formation Are Due Principally to Erosion Associated with the Cretaceous (K) and Jurassic (J-4) Unconformities. US Gov. Print. Off, 1979.