Born-Digital or AnalogAnalogTranscriptBriggs company Brick mill nearly completed, Gregory Point, Colorado , 1895 Gold shipment, Black Hawk district, Colo. Mill activities, Black Hawk, Colo. H:M.News. Jan. ?0, 1866 p. 4 c. 3 Gold shipment, Central City, Colo.CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
