An investigation of the iron ore resources of the Northwest,
Wedi'i Gadw mewn:
| OCLC: | 8428665 |
|---|---|
| Prif Awdur: | |
| Iaith: | English |
| Cyhoeddwyd: |
Seattle,
The University,
1917.
|
| Cyfres: | University of Washington. Bureau of Industrial Research. Bulletin no.2.
|
| Pynciau: | |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |