Born-Digital or AnalogAnalogTranscriptDelaware mine. Chihuahua district colorado Transfer . 2, 1880 Operating Famous; activities. 1880 Activities. R. 1q. News. Ian. 27V 1881 Tunnel activities; assays; proposed mill.CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Delaware mine. Chihuahua district colorado, [187707]. Denver Public Library Digital Collections, accessed 10/11/2025, https://digital.denverlibrary.org/nodes/view/1531854
