Practical coal mining
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
London
Virtue
1954.
|
| Edition: | 4th ed. |
| Series: | Coal mining series
|
| Subjects: |
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
London
Virtue
1954.
|
| Edition: | 4th ed. |
| Series: | Coal mining series
|
| Subjects: |