Born-Digital or AnalogAnalogTranscriptShock mine. Breckenridge district colorado Activities, Shock hill. R. M. News. Mar. 18, 1880. p.8 c.4 Location of property shown on map. R. M. News. Inlay 2, 1880. p.3 c.2 Mentioned. R. N. News. Vay 16, 1880. p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Shock mine. Breckenridge district colorado, [571777]. Denver Public Library Digital Collections, accessed 16/11/2025, https://digital.denverlibrary.org/nodes/view/1736757
