| details |
Late Miocene |
|
Washington |
Sparks,D.M. et al. The descriptive palynology of the Montesano Formation, (Upper Miocene), of western Washington. |
1973 |
| details |
Miocene |
|
Washington |
Fisk,L.H. et al. Palynology of the Latah Formation at the deep Creek locality near Spokane, Washington. |
1976 |
| 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 |
Middle Eocene |
|
Wyoming |
Love,J.D. et al. Eocene Rocks, fossils and geologic history, Teton Range, Northwestern Wyoming. |
1978 |
| details |
Eocene |
|
Wyoming |
Fisk,L.H. et al. Additional Conifers from the Eocene Amethyst Mountain "Fossil Forest", Yellowstone National Park, Wyoming. |
1978 |
| details |
Late Miocene |
|
Wyoming |
Barnosky,C.W. Late Miocene vegetational and climatic variations Inferred from a pollen record in Northwest Wyoming |
1984 |
| details |
Middle Eocene |
|
Wyoming |
Wodehouse,R.P. Tertiary pollen.1.Pollen of the living representatives of the Green River flora. |
1932 |
| details |
Eocene |
|
Wyoming |
Fisk,L.H. Palynology and paleoecology of the Eocene "Fossil Forest" of Yellowstone National Park, Wyoming, USA. |
1976 |
| details |
Paleocene |
|
Wyoming |
Flores,R.M. Geological and geomorphic controls of Coal development in some Tertiary Rocky Mountain Basins, USA |
1993 |
| details |
Pannonian |
|
Yugoslavia |
Budnar-Tregubov,A. Micropaleobotanical research of the coals from Locevje and Kanizarnica in Slovenia. |
1961 |
| details |
Early Pliocene |
|
Yugoslavia |
Ercegovac,M. Palynologic and petrologic characteristics and the genesis of Coal in the Kreka Basin. |
1970 |