Born-Digital or AnalogAnalogTranscriptMother Comstock lode. San Juan district. Colorado Description; assay. R. M. News. Sept. 30, 1873 .p.4 c.3 Specimen assay, Territorial fair, Denver. R. M. News. Oct. 1, 1873. p.4 c.2 Description; assay. R. M. News. Oct. 21, 1873. p.4 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mother Comstock lode. San Juan district. Colorado, [441612]. Denver Public Library Digital Collections, accessed 14/02/2026, https://digital.denverlibrary.org/nodes/view/1433530
