Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado South Park region. miners labor under difficulties; result. w3 giDEA R.M. News. May 14, 1863 p.2 c.1 Daily salt yield; activities, Salt Springs R.M. News. Hept.26, 1863 p.3 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado South Park region, [435209]. Denver Public Library Digital Collections, accessed 16/07/2025, https://digital.denverlibrary.org/nodes/view/1430154
