Born-Digital or AnalogAnalogTranscriptEmpress Josephine mine. Bonanza district Colorado Weekly shipments; character of ore. 1882 p. 7 c.3 Deepest shaft in district. R.Y.News. Feb. 21, 1882 p. 7c .3 Transfer. R.M.News. Mar. 21, 1885 p. 6 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Empress Josephine mine. Bonanza district Colorado, [238370]. Denver Public Library Digital Collections, accessed 20/05/2025, https://digital.denverlibrary.org/nodes/view/1481519
