Born-Digital or AnalogAnalogTranscriptMountain bell 100th anniversary of telephone operators will be celebrated Oct. 3. RMN 0 3, 1978 p.36 New telepnone installations in Colorado have increased 7% during past 12 months bringing total to more than 2 million. Post 0 15, 1978 p.16 Competitive battle between Mountain Bell and independent firms. Details. RMN N 5, 1978 p.82CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
