Explotacion de pilares de minerales plomo-zinc en la Mina La Prieta del distrito de Parral Chih.
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Tesis de licenciatura |
| Published: |
MX
1969
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/20.500.14330/TES01000130078 http://132.248.9.195/pmig2020/0130078/Index.html |