Born-Digital or AnalogAnalogTranscriptChieftain mine. Leadville district colorado Production estimate. 1879. p.4 e.5 Discoveries; assay. 1880. P.2 c.2 Description, Texas creek. Mentionedt Yankee hill. R. M. News. Apr. 9, 1880. p.3 c.1 On Yankee hill. R. M. News. Aug. 27, 1880. p.2 c.1 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Chieftain mine. Leadville district colorado, [156348]. Denver Public Library Digital Collections, accessed 11/12/2025, https://digital.denverlibrary.org/nodes/view/1326900
