Born-Digital or AnalogAnalogTranscriptRoosevelt Drainage tunnel. Cripple Creek DISTRICT COLORADO Description; built, 1910. Stone.Hist.Colo. v.1 p.255 Drainage results, 1914; description, 1917. Stone.Hist.Colo. v.1 p.281CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Roosevelt Drainage tunnel. Cripple Creek, [533954]. Denver Public Library Digital Collections, accessed 20/07/2026, https://digital.denverlibrary.org/nodes/view/1581310
