Results: 1 - 5 of 5
Dec 31, 1982
Open File Report
… Volcanic Ash. … MacGillivray, J.R. … MacGillivray, J.R. (1983): Index of mineral …
Feb 28, 1994
Open File Report
… of the study. … Underschultz, J.R. … Yuan, L.P. … Bachu, S. … … … Hitchon, B. … Underschultz, J.R., Yuan, L.P., Bachu, S., …
Dec 31, 1979
Open File Report
… mining methods. … Nurkowski, J.R. … Nurkowski, J.R. (1980): Geology and coal …
Dec 31, 1975
Open File Report
… Holter, M.E. … Chu, M. … Yurko, J.R. … Holter, M.E., Chu, M. and Yurko, J.R. (1976): Geology and coal …
Feb 28, 1989
Open File Report
… a particular area. … McCabe, P.J. … Strobl, R.S. … MacDonald, D.E. … Nurkowski, J.R. … Bosman, A. … McCabe, P.J., …