L.R. Bader V.V. Cavaroc M.S. Ellis G. Gunther R. Johnson C. W. Keighin D. Likaresh D. J. Nichols A. Ochs S. B. Roberts G. D. Stricker K. I. Takahashi T. Taber Peter D. Warwick G. Govern E.C. Murphy E. Wilde B.A. Sakkestad Romeo M. Flores 1998 <p>No abstract available.</p> application/pdf en Coal & Slurry Technology Association Characteristics of strippable Fort Union coals in the northern Rocky Mountains and Great Plains region text