"Colorado business" New magazine to be published by Merrill G. Hastings. 1973 P -6'-P Apparently will not be in competition with "Executive West" magazine. Post Jy 15, 1973 p.7E New magazine from the publishers of Colorful Colorado Magazine; first issue to be Oct. 1, 1973. P7N s 30, 1973 p.73 Will become a monthly with May issue, format will change with more concentration on personalities. Post Mr 2, 1977 p.30 0