Born-Digital or AnalogAnalogTranscriptCentral improvement company (Gilpin county) See. Times D 31, 1898 p.27 c.1 English syndicate working the Minnesota, German and Margaret Glennan mines. Times Je 18, 1899 p.13 c.2 See. Tires 0 15, 1899 p.5 c.2 Times Ja 28, 1900 p.11 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Central improvement company (Gilpin county), [151238]. Denver Public Library Digital Collections, accessed 16/12/2025, https://digital.denverlibrary.org/nodes/view/1216911
