Born-Digital or AnalogAnalogTranscriptLeo mine. Oro City district colorado Description; character of ore. R,IS.News. June 19, 1884 p.9 c,2 Proposed machinery, Excelsior iron works. R.M .News. Dec. 18, 1885 p.9 e.?,CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Leo mine. Oro City district colorado, [376111]. Denver Public Library Digital Collections, accessed 14/04/2026, https://digital.denverlibrary.org/nodes/view/1480046
