Call NumberX-60712SummaryWell-dressed men pose with a mining tunnel digging machine. Equipment has flywheels, electrical switches, and a vise.Physical Description1 photoprint ; 13 x 18 cm (5 x 7 in.)Born-Digital or AnalogAnalogSubjectTunneling--Equipment and suppliesMiningCollectionPhotographs - Western HistoryRelated MaterialImage File: ZZR710060712Type of MaterialPhotographic printsPortrait photographsNotesTitle penciled on back of photoprint. R7100607120