Mineral mining
| Institution: | International Institute of Social History |
|---|---|
| Format: | IMAGE |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/11BE5872-49C1-4091-A9FA-7089E2F2EAD2 |
| Institution: | International Institute of Social History |
|---|---|
| Format: | IMAGE |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/11BE5872-49C1-4091-A9FA-7089E2F2EAD2 |