Blue cross - -blue shield plan Blue Cross - Blue Shield answers few questions from customers at public hearing on proposed rate increases of 35 to 40%. Post Ag 13, 1975 p.3 RMN Ag 13, 1975 p.5 Blue Cross - Blue Shield claim cost curb plan. RMN Ag 14, 1975 p.6 Large group policy holders will be charged rate hikes; decisions detailed. RMN Ag 29, 1975 p.1 Post Ag 29, 1975 p.1 President of Colorado Blue Cross, James Schafer, retires effective October 1. RMN S 9 1975 P.6 Post S 1, 1975 p.19 0