Born-Digital or AnalogAnalogTranscriptMINING. ACCIDENTS. COLORADO Accident rate in Colorado mines rose 51% in 1981. RMN Ja 11, 1982 p.4,91 Hazards of coal mining in Colorado. RMN F 1, 1982 p.6-7,28 Five rescued after 36 hours underground in Diamond Mine. RMN 0 2, 1987 p.14 Clue to accident at Diamond Mine remains buried. RMDT 0 3, 1987 p.34 3 charged in Boulder mine rescue. RMN Mr 24, 1988 p.22CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng