Born-Digital or AnalogAnalogTranscriptBertha gold mining company (Gilpin county) See. Times F 4, 1900 p..11 c.6 Times N 2, 1900 p.13 c.3 Times N 3, 1900 p.11 c.3 Tires N 9, 1900 p.13 c.2 Times H 26, 1900 p.11 c.4 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Bertha gold mining company (Gilpin county), [16888]. Denver Public Library Digital Collections, accessed 17/07/2025, https://digital.denverlibrary.org/nodes/view/1176036
