A Microscope System Using Automated Reflectance Scanning to Study Coal Components

Application to Analysis of Pyrite Distribution

by Philip G. Clites, Carl F. Wingquist, G. V. Sullivan, George H. Keith, H. F. Feldmann, Harold J. Heinen, James T. McCartney, Jim E. Murphy, Joseph M. Singer, Karl C. Dean, Mary A. Barrett, Ralph B. Adair, Richard E. Siemens, Robert Lynn Crosby, Theresa L. Iapalucci, William E. Bruce, William Edward Wallace, Bern Porter, Clyde I. Pierce, Donald H. Desy, Edward Morrice, James Paone, James S. Browning, Laurance L. Oden, Nevin Greninger, Richard Havens, Richard J. Demski, Robert A. Beall, Sabri Ergun, W. H. Simons, William G. Gruzensky, Daniel Bienstock, Donald K. Deardorff, Joseph Grumer, Kimball T. Harper, Morton Min Wong, Samuel J. Sanders, Walter K. Sawyer · 1969