Mineral mining
Institution: | International Institute of Social History |
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Format: | IMAGE |
Published: |
1931, September.
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Subjects: | |
Online Access: | http://hdl.handle.net/10622/72C6AD11-C583-471A-8537-090083698428 |
Published: | 1931, September. |
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Institution: | International Institute of Social History |
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Format: | IMAGE |
Published: |
1931, September.
|
Subjects: | |
Online Access: | http://hdl.handle.net/10622/72C6AD11-C583-471A-8537-090083698428 |
Published: | 1931, September. |
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