PRB Coal Degradation
Native Groups
Woodland Tribes Move to the Plains Chapter 3, Section 2.
By: Ty Chaddrick, Hunter George, Madison Prinzo, Hannah Zimms, and Astrid BairdMontana.
CPE Rebuild Facility 10/20/11. CPE Cloud Peak Energy (CPE) is one of the safest producers of low sulfur, high quality, subbituminous coal in the United.
Woodland Tribes Move to the Plains
