Born-Digital or AnalogAnalogTranscriptSilver bell mine. OphiR DISTRICT COLORADO Rich strike. Rep. July 22, 1881 p.6 c.2 Active operations. Rep. Oct. 22, 1881 p.6 c.3 Rich property. Rep. Dec. 6, 1881 p.6 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Silver bell mine. OphiR DISTRICT COLORADO, [560449]. Denver Public Library Digital Collections, accessed 14/06/2025, https://digital.denverlibrary.org/nodes/view/1728619
