Public service company of Colorado Data on proposed $63 million Comanche Station. Cervi's Journal D 2, 1970 p.32 Colorado Air Pollution. Commission gives 5t variance to company. Post D 4, 1970 p.16 Last of 12 primary steam generators installed in Platteville plant. P,tMIN F 9, 1971 p.54 To ask hike in gas and electric rates. RP,1N F 13, 1971 p.5 Post F 19, 1971 p.1 Seeks air pollution variance. Post Mr 1, 1971 p.12