Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Colorado. Boulder county Washburn mine; Inter Ocean mine. Times denver Mr 2, 1900 p.12 c.l at Salina. Times Mr 12, 1900 Times Mr 24, 1900 p.2 c.7 Tellurium and free gold in Lucky Star. Times Ap 4, 1900 p.10 c.4 Gold hill district. Times Ap 6, 1900 p.9 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado, [425554]. Denver Public Library Digital Collections, accessed 17/02/2026, https://digital.denverlibrary.org/nodes/view/1417567
