| details |
Late Miocene |
|
Idaho |
Wolfe,J.A. Neogene floristic and vegetational history of the Pacific Northwest. |
1969 |
| details |
Late Tertiary |
|
North America |
Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Late Miocene |
Early Pliocene |
USA(Rocky Mountains) |
Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Late Pliocene |
|
Idaho |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Late Miocene |
|
Idaho |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Late Pliocene |
|
Wyoming |
Richmond,G.M. et al. Climatic implications of two pollen analyses from newly recognized rocks of Latest Pliocene age in the Washburn range, Yellowstone National Park, Wyoming. |
1978 |
| details |
Miocene |
Late Neogene |
Arizona |
Nations,J.D. Palaeontology, paleoecology, and depositional history of the Miocene-Pliocene Verde Formation, Yavapoi County, Arizona. |
1981 |
| details |
Late Miocene |
|
Wyoming |
Barnosky,C.W. Late Miocene vegetational and climatic variations Inferred from a pollen record in Northwest Wyoming |
1984 |
| details |
Late Miocene |
|
Oregon |
Roberts,M.C. et al. The palynology of a nonmarine Neogene deposit in the Willamette Valley, Oregon. |
1984 |
| details |
Pliocene |
Early Pleistocene |
Utah |
Davis,O.K. Priliminary pollen analysis of the Cenozoic sediments of the Great Salt Lake, Utah, USA. |
1999 |