Title | Date | Type | ||
---|---|---|---|---|
1 |
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American Mining Congress P.01 | 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950 | Image/StillImage |
2 |
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American Mining Congress P.02 | 1948-09-23 | Image/StillImage |
3 |
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American Mining Congress P.03 | 1948-09-23 | Image/StillImage |
4 |
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American Mining Congress P.04 | 1934-05-10 | Image/StillImage |