1969 | ||
Wednesday, April 16th | ||
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12:00 AM |
Merl Baker, Missouri University of Science and Technology 12:00 AM |
|
Friday, April 18th | ||
12:00 AM |
J. Allen Overton Jr. 12:00 AM |
|
12:00 AM |
Summary and Conclusions of the Mining Environmental Conference Thomas Ware 12:00 AM |