- Author:
- Wahrhaftig,C.;Leopold,E.B.;Wolfe,J.A.;Lanphere,M.A.
- Year:
- 1969
- Title:
- The coal-bearing group in the Nenana Coalfield, Alaska.
- Reference:
- Wahrhaftig,C. et al. (1969) The coal-bearing group in the Nenana Coalfield, Alaska. United States Geological Survey, Bulletin # 1274 P. 1- 30
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Tilia | Tilia | Alaska | Late Miocene | |
| Ulmus | Ulmus | Alaska | Late Miocene | |
| Viburnum | Viburnum | Alaska | Early Miocene |