Born-Digital or AnalogAnalogTranscriptManganese George W. Cook promotes shipment from Leadville. Times 0 1, 1901 p.9 c.4 Deposit discovered near Placerville. RMN Jy 23, 1915 p.3 Iron and manganese quarried in Gunnison county. Times My 28, 1902CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
