Born-Digital or AnalogAnalogTranscriptPortland company (Teller county) To sink shaft an additional 200 feet; employs 500 men, output for 7,000 tons. Times Ag 15, 1901 p.ll c.l Heavy production: Times S 13, 1901 p.ll c.2 Officers visit mine and speak of Burns shaft. Times S 27, 1901 p.ll c.1 Doyle-Burns case for Portland opens. Times 0 1, 1901 0.12 c.1 Has paid over $4,000,000 in dividends; after 10 years of exploitation its resources are twice as great. Times 0 8, 1901 p.11 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Portland company (Teller county), [495806]. Denver Public Library Digital Collections, accessed 14/07/2025, https://digital.denverlibrary.org/nodes/view/1576847
