Date: | 06 31 1953 |
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Description: | Professor Richard C. Emmons, of the University of Wisconsin Geology Department, who is holding a gem case of glass replicas of 10 of the largest and best-k... |
Date: | 03 26 1957 |
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Description: | George Hanson (seated foreground center), state geologist, peers into a microscope while examining a diamond. Leaning in to look on are (left to right) Pro... |
Date: | 08 09 1957 |
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Description: | Richard C. Emmons (left), Professor of Geology at U.W., being presented thirteen Geiger counters and scintillation counters by E.L. Diener, manager of the ... |
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