Born-Digital or AnalogAnalogTranscriptColorado. Legislation. Mining Commissioner of mines office. Mine assessment law. R. M. News. Mar. 24, 1877 p.2 c.2 Coal & mineral mines laws; list. Surveys; patents. R. M. News. May 1, 1877 p.4 c.5 annual expenditures required on claim. I*CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
