Monitoring Ground Movements Near Caving Stopes
by A. V. Petty, C. Melvin Lepper, David R. Hanson, Donald E. Shanks, Earl L. Phillips, H. B. Salisbury, James H. Maysilles, John W. Walkiewicz, Louis Anthony Panek, Richard O. Kneisley, Robert K. Koch, Ronald R. Backer, Seth C. Schaefer, Steven J. Page, Syd S. Peng, Terry L. Hebble, Theodore A. Kubala, Davis E. Traut, Eddie Martin, Frank J. Perzak, Glen A. Rowell, John M. Burrus, John S. Winston, Judith A. Eisele, Marinus L. Wouden, Richard A. Busch, Richard E. Thill, Vernon R. Miller, Willard John Tesch, Danton L. Paulson, Donald J. Bauer, Dwight L. Sawyer, Elton L. Litchfield, M. B. Shirts, Morton Min Wong
1981