Colorado public interest research group Joins several groups in asking General Mills to discontinue test marketing in Denver. RMN Ap 18, 1975 p.6,12 Members of group demonstrated in front of Public Service Company of Colorado protesting cost for resuming interrupted service. Post N 13, 1975 p.2 Sponsors proposed initiated law to create a "citizen advocate" position and revise the procedures of the Public Utilities Commission. Straight Creek Journal Ja 1, 1976 p.3 40