| Montana, Navajo company reach deal on mine to waive immunity | ||
| March 13, 2020 | ||
| Navajo Nation will not back energy company’s mines in Powder River Basin | ||
| November 13, 2019 | ||
| Temporary agreement will keep Spring Creek Mine operating | ||
| October 28, 2019 | ||
| Navajo coal company shuts coal mine in dispute over sovereignty | ||
| October 25, 2019 | ||
| Navajo Transitional Energy Company becomes third largest coal producer in the US | ||
| October 7, 2019 | ||
| Sale of three Cloud Peak Energy mines receives court approval | ||
| August 20, 2019 | ||
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