Analysis of the Northern Great Plains Province Lignites and Their Ash

A Study of Variability

by A. W. Henderson, Elbridge W. Gresseth, Everett A. Sondreal, Floyd William Wood, Francis E. Brantley, Frank G. Horino, H. Austin Tucker, Henry G. Iverson, J. Oscar Winget, John B. Shutack, John E. Zeilinger, John Hudy, John R. Hoskins, John Ward Smith, Joseph J. Demeter, Kenneth H. Johnston, Lanford H. Adami, Martin H. Stanczyk, Ralph B. Adair, Richard E. Thill, Robert A. Bradburn, Walter L. Acherman, William S. Sanner, A. W. Deurbrouck, C. J. Joe, Daniel Bienstock, David H. Yee, E. K. Landis, Harold Leitch, Ignatz L. Feld, James S. Browning, John P. Carter, John R. McWilliams, Laurence G. Trudell, Merle L. Bowser, Norman E. Hanna, R. T. Coulehan, Roald Edmund Lindstrom, Rolland R. Reid, Wayne R. Kube, David Schlain, Frank E. Block, James L. Elder, Kenneth Edison Stanfield, Thomas Robert Bur, W. R. Cureton, William Gilbert Wilson · 1968