| A late Miocene (late early Hemphillian) biota from northwestern Kansas |
Thomasson, J.R.; Zakrzewski, R.J.; LaGarry, H.E.; and Mergen, D.E. |
National Geographic Research vol. 6, no. 2, pp. 231-244 |
1990 |
N/A
|
| Silicified dicot leaves from the Ogallala Formation (Tertiary, Miocene) of western Kansas, (abstr.) |
Mergen, D.E. |
Kansas Academy of Science, Abstracts with Programs vol. 6, p. 35 |
1987 |
N/A
|
| The taxonomy and taphonomy of dicot leaves from the Ogallala Formation (Tertiary, Micoene) of western Kansas, (abstr.) |
Mergen, D.E. |
South Dakota Academy of Science, Proceedings vol. 68, p. 110 |
1989 |
N/A
|