details |
Middle Eocene |
|
Colorado |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |
details |
Middle Eocene |
|
Utah |
Wodehouse,R.P. Tertiary pollen II. The oil shales of the Eocene Green River Formation |
1933 |
details |
Middle Eocene |
|
Wyoming |
Wodehouse,R.P. Tertiary pollen.1.Pollen of the living representatives of the Green River flora. |
1932 |
details |
Middle Eocene |
|
Utah |
Wodehouse,R.P. Tertiary pollen.1.Pollen of the living representatives of the Green River flora. |
1932 |
details |
Middle Eocene |
|
Colorado |
Wodehouse,R.P. Tertiary pollen.1.Pollen of the living representatives of the Green River flora. |
1932 |