| details |
Pleistocene |
|
Alaska |
Olson,D.L. et al. Biostratigraphy. (In: Geological and Operational Summary Norton Sound Cost No.2 Well Norton Sound, Alaska. R.F.Turner, editor) |
1987 |
| details |
Eocene |
Early Oligocene |
Alaska |
Larson,J.A. Biostratigraphy. (In: Geological Report for the Gulf of Alaska Planning Area. R.F.Turner, editor) |
1992 |
| details |
Early Oligocene |
|
Alaska |
Marincovich,L.,Jr. et al. Oligocene age of strata on Unga Island, Shumagin Islands, Southwestern Alaska. (In: Geologic Studies in Alaska by the United States Geological Survey. J.H. and J.P.Galloway, editors) |
1991 |
| details |
Paleocene |
|
|
PŠ¶the de Baldis,E.D. Cenozoic microflora (Addendum the Actual microflora). |
1984 |