Born-Digital or AnalogAnalogTranscriptSt. Lawrence silver mining company Description of ore treatment & mill, Summit county Colorado. R. M. News. Aug. 15, 1872. p.4 c.2 Activities, Silver wing mine; process of ore reduction, Montezuma district Colo. R. M. News. July 6, 1882. p.2 CACollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
St. Lawrence silver mining company, [543479]. Denver Public Library Digital Collections, accessed 13/05/2025, https://digital.denverlibrary.org/nodes/view/1580221
