Principles of mining : valuation, organization and administration : copper, gold, lead, silver, tin and zinc /
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York : London :
McGraw-Hill ; Hill Publishing Co.,
1909.
|
| Rhifyn: | First ed. |
| Pynciau: |
CARM 1 Store
| Rhif Galw: |
A2:AF18B0 B01634 |
|---|---|
| Copi 1 | Ar gael Gwneud Cais |