| details |
Paleocene |
|
North Dakota |
Nichols,D.J. Biostratigraphy, Williston Basin. In: Resource assement of selected Tertiary coal beds and zone in the northern Rocky Mountains and Great Plains regions. |
1999 |
| details |
Paleocene |
|
Colorado |
Raynolds,R.G.H. et al. The Kiowa Core, a continuous drill core through the Denver Basin Bedrock Aquifers at Kiowa, Elbert County, Colorado. |
2001 |
| details |
Middle Paleocene |
|
Colorado |
Raynolds,R.G.H. et al. The Kiowa Core, a continuous drill core through the Denver Basin Bedrock aquifers at Kiowa, Elbert County, Colorado. |
2001 |