Press Bulletin
Código CCN: 057347-7
| 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,
                          
                          2020
                           | 
| বিষয়: MINAS (ESCAVACOES) | 
| Área de numeração: No. 79 (Sept. 1927)-No. 286 (Jan. 1947) |