The coal resources of the world. Atlas /
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Awduron Eraill: | , , |
| Fformat: | Trafodyn Cynhadledd Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Toronto, Canada :
Morang & Co,
1913.
|
| Pynciau: |
| Disgrifiad o'r Eitem: | To accompany the inquiry initiated by the 12th International Geological Congress, Toronto, 1913. |
|---|---|
| Disgrifiad Corfforoll: | 1 atlas : col ; 50cm. |