Call NumberX-24264SummaryView of the Denver Rock Drill and Machinery Company at 18th (Eighteenth) and Blake Streets in downtown Denver, Colorado. The three-story brick building has awnings and signs that read: "The Denver Rock Drill & Machinery Co.," "Mining Machinery, "'Cingeco' Gasoline & Oil Engines," "Pumping Machinery," and "Air Compressors."Physical Description1 photoprint : black-and-white ; 21 x 26 cm (8 x 10 in.)Born-Digital or AnalogAnalogSubjectDenver Rock Drill & Machinery Co. (Denver, Colo.)Mining machinery industry--Colorado--DenverDenver (Colo.)Machinery industry--Colorado--DenverGeographic AreaDenver (Colo.)CollectionPhotographs - Western HistoryRelated MaterialImage File: ZZR710024264Type of MaterialPhotographic printsBlack & white photographsNotesTitle supplied. R7100242645
Denver Rock Drill and Machinery Company. Denver Public Library Digital Collections, accessed 18/11/2025, https://digital.denverlibrary.org/nodes/view/1044942