Mountain bell 250 on wildcat strike protesting company job titles for clerical workers. Post Jy 24, 1975 p.3 Colorado Public Utilities Commission refused to hold a rehearing on the $11.5 million annual rate increase it recently granted to Mountain Bell. Post D 10, 1975 p.36 Confidential customer computEr print-outs given to temporary help who delivered new telephone directories. Straight Creek Journal D 18, 1975 p 3 Mountain Bell's net income is up 27%. for this fiscal year.. RMN D 19, 1975 p.102