Ames-Peterson Coal Reclamation Project, Beaverhead County, Montana, MONT A/E 88-46-125Hydrometrics (Firm : Helena, Mont.) · First published 1990Open the Tome
Hazardous Mine Opening Project, Phase 22, Beaverhead County, Montana, Mont. A/E 88-46-110Chen-Northern, Inc · First published 1989Open the Tome
