| details |
Miocene |
|
Washington |
Hopkins,W.S. Subsurface Miocene Rocks, British Columbia-Washington, a palynological investigation. |
1968 |
| details |
Oligocene |
Early Miocene |
Washington |
Newman,K.R. Palynology of interflow sediments from the Standard Oil Company of Caltfornia Rattlesnake Hills No.1 Well, Benton County, Washington. |
1969 |
| 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 |
Late Miocene |
|
Wyoming |
Barnosky,C.W. Late Miocene vegetational and climatic variations Inferred from a pollen record in Northwest Wyoming |
1984 |
| details |
Barstovian |
|
Wyoming |
Montagne,J. Cenozoic history of the Saratoga Valley area, Wyoming and Colorado. |
1991 |
| details |
Cenomanian |
Coniacian |
Wyoming |
Upshaw,C.F. Palynology of the Frontier Formation, northwestern Wind River Basin, Wyoming. |
1959 |
| details |
Middle Eocene |
|
Wyoming |
Bradley,W.H. Geology of the Green River Formation and associate Eocene rocks in Southwestern Wyoming and adjacent parts of Colorado and Utah. |
1964 |
| details |
Early Pliocene |
|
Wyoming |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Middle Pliocene |
|
Wyoming |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Maastrichtian |
|
Wyoming |
Kauffman,E.G. A brackish-water biota from the Upper Cretaceous Harebell Formation of Northwestern Wyoming |
1973 |
| details |
Paleocene |
|
Wyoming |
Flores,R.M. Geological and geomorphic controls of Coal development in some Tertiary Rocky Mountain Basins, USA |
1993 |