oil shale Tactics to be mapped for development. Post Ap 1, 1965 p. 46 Humble Oil Co. reports rosy outlook for oil shale development. RMN Je 20, 1965 p.24 Public policy surrounding oil shale development to be probed by research specialists at Denver Research Institute. Post Jy 17, 1965 p.3 Large scale production assured as water supply is contracted for. Post N 18, 1965 p.3 RMN N 18, 1965 p.5 Major shale oil production by 1975 predicted. RMN D 5, 1965 p.5