The coal resources of the world : an inquiry made upon the initiative of the Executive Committee of the XII International Geological Congress, Canada, 1913 : with the assistance of geological surveys and mining geologists of different countries /
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Awduron Eraill: | , , |
| Fformat: | Trafodyn Cynhadledd Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Toronto :
Morang,
1913.
|
| Pynciau: |
CARM 1 Store
| Rhif Galw: |
A1:AR04C0 D07904 |
|---|---|
| Copi 1 | Ar gael Gwneud Cais |
| Copi 2 | Ar gael Gwneud Cais |
| Copi 3 | Ar gael Gwneud Cais |