Information Circular
Código CCN: 037994-8
| দেশ: Não informado |
| প্রকাশক: State of California, Department of Natural Resources, Division of Mines |
| Imprenta:
San Francisco, Calif.:
State of California, Department of Natural Resources, Division of Mines,
1947
|
| বিষয়: TECNOLOGIA MINEIRA |
| Área de numeração: No. 1 (Mar. 1947)-No. 39 (Jan. 1948) |
| অনুরূপ উপাদানগুলি: Information Circular |