Colorado. Growth Colorado's economy continues to decline with slight yearly increases in most areas. Cervi's Journal v.25 #51 S 18, 1974 p.1,6 Falls from 3.9% average annual growth rate to 1.1%, population figures also given. Post 0 23, 1974 p.1 kMN 0 23, 1974 p.27 Rep. Charles B. Howe of Boulder sponsoring growth control bill which requires creation of urban service areas. RMN 3a 27, 1975 p.8 0