| details |
Early Eocene |
|
Alaska |
Ager,T.A. et al. Early Eocene sporomorph assemblage from Death Valley, Seward Peninsula, Western Alaska. |
1986 |
| details |
Campanian |
Tertiary |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
| details |
Middle Miocene |
|
Alaska |
Wolfe,J.A. Neogene floristic and vegetational history of the Pacific Northwest. |
1969 |
| details |
Late Miocene |
|
Alaska |
Wolfe,J.A. Neogene floristic and vegetational history of the Pacific Northwest. |
1969 |
| details |
Late Miocene |
|
Alaska |
Wahrhaftig,C. et al. The coal-bearing group in the Nenana Coalfield, Alaska. |
1969 |
| details |
Late Tertiary |
|
Alaska |
Benninghoff,W.S. et al. Preliminary report on the Upper Cenozoic Carbonaceous deposits in the Johnson River area, Alaska range . |
1960 |
| details |
Miocene |
|
Alaska |
Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Late Oligocene |
Early Pleistocene |
Alaska |
Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Late Neogene |
|
Alaska |
Hopkins,D.M. et al. Upper Tertiary sediments in Alaska and North-Western Canada. |
1960 |
| details |
Early Tertiary |
|
Alaska |
Foster,H.L. et al. Fossil pollen from nonmarine sedimentary rocks of the eastern Yukon-Tanana Region, East-Central Alaska. (In: Geologic studies in Alaska by the U.S. Geological Survey,1989) |
1990 |
| details |
Late Eocene |
|
Alaska |
Biske,S.F. Correlation of Tertiary nonmarine deposits in Alaska and Northeastern Asia. |
1973 |
| details |
Early Miocene |
Middle Miocene |
Alaska |
Yeend,W.E. Tertiary and Quaternary deposits at the Palisades, Central Alaska. |
1977 |
| details |
Early Pliocene |
Middle Pliocene |
Alaska |
Ager,T.A. et al. Pliocene terrace gravels of the ancestral Yukon River near Circle Alaska; Palynology, paleobotany, paleoenvironmental reconstruction and region correlation. (In: Tertiary Quaternary Boundaries. T.A. Ager et al, editors) |
1994 |
| details |
Middle Miocene |
Late Miocene |
Alaska |
Liu,G. et al. Climatic comparison of Miocene pollen floras from northerneast China and southcentral Alaska, USA. |
1994 |
| details |
Eocene |
|
Alaska |
Manum,S.B. Studies in the Tertiary flora of Spitsbergen, with notes on Tertiary floras of Ellesmere Island, Greenland and Iceland |
1962 |
| details |
Middle Miocene |
Pleistocene |
Alaska |
White,J.M. et al. An 18 million year record of vegetation and climate change in northwestern Canada and Alaska: Tectonic and global climatic correlates. |
1997 |
| details |
Claiborne |
Vicksburg |
Alabama |
Frederiksen,N.O. Middle Eocene to Early Oligocene plant communities of the Gulf Coast. (In: Communities of the Past. A.J.Boucot and W.B.N.Berry, editors) |
1981 |