| Title | Author |
|---|---|
| Clayton’s Slough | |
| Clayton’s Slough, Oregon Trail site of | WyoHistory.org |
| Coal Bust, Wyoming’s First | Dustin Bleizeffer |
| Coal Camps in Sheridan County | Kevin Knapp |
| Coal mine safety, history of | Phil Roberts |
| Coal miners, Black | Brigida R. (Brie) Blasi |
| Coal Slurry Pipeline, History of | Dan Whipple |
| Coal tipple, Reliance | Dick Blust, Jr. |
| Coal, Wyoming business of | Chamois L. Andersen |
| Coal-bed Methane boom, Powder River Basin | Dustin Bleizeffer |