Born-Digital or AnalogAnalogTranscriptbancroft mine. rico district colorado. operating. rep. 1881 valuable smelting ore; worked under lease; ore storage rep. jan 1882 dump ore; tons; quantity of lead. rep. jan 1882 character of ore. rep. mar. 1882CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
bancroft mine. rico district colorado, [28445]. Denver Public Library Digital Collections, accessed 09/03/2026, https://digital.denverlibrary.org/nodes/view/1187112
