Call NumberX-63167Date1900-1910SummaryMiners pose in front of the Ridge tunnel, Colorado.Physical Description1 photoprint on mat board ; 13 x 13 cm (5 x 5 in.)Born-Digital or AnalogAnalogSubjectMiners--ColoradoMining--ColoradoCollectionPhotographs - Western HistoryRelated MaterialImage File: ZZR710063167Type of MaterialGroup portraitsPhotographic printsBlack & white photographsNotesMat board has decorative border. Title hand written on back of mat board. R7100631674
A shift of miners at mouth of Ridge tunnel (1900-1910). Denver Public Library Digital Collections, accessed 10/03/2026, https://digital.denverlibrary.org/nodes/view/1032441
