Call NumberX-24265SummaryView 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 copy negative ; 10 x 13 cm (4 x 5 in.); 1 photoprint : black-and-white ; 13 x 18 cm (5 x 7 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: ZZR710024265Type of MaterialFilm negativesBlack & white photographsPhotographic printsNotesCondition: print is stained. Formerly F30764. Handwritten on back of print: "18th St. at Blake."; Title supplied. R7100242653
Denver Rock Drill and Machinery Company. Denver Public Library Digital Collections, accessed 15/12/2025, https://digital.denverlibrary.org/nodes/view/1044946
