| details |
Early Paleocene |
|
Wyoming |
Flemings,P.B. et al. Paleogeographic evolution of the Latest Cretaceous and Paleocen Wind River Basin |
1991 |
| details |
Early Paleocene |
Middle Paleocene |
North Dakota |
Ellis,M.S. et al. A summary of the U.S. Geological Survey 1999 Resource Assessment of selected coal zones in the Northern Rocky Mountains and Great Plains Region, Wyoming, Montana, and North Dakota. |
2002 |
| details |
Early Paleocene |
Middle Paleocene |
Montana |
Ellis,M.S. et al. A summary of the U.S. Geological Survey 1999 Resource Assessment of selected coal zones in the Northern Rocky Mountains and Great Plains Region, Wyoming, Montana, and North Dakota. |
2002 |
| details |
Early Paleocene |
Middle Paleocene |
Wyoming |
Ellis,M.S. et al. A summary of the U.S. Geological Survey 1999 Resource Assessment of selected coal zones in the Northern Rocky Mountains and Great Plains Region, Wyoming, Montana, and North Dakota. |
2002 |