OIL SHALE. COLORADO. PLANTS Union Oil's Parachute project to start turning out synthetic oil. RMN 0 18, 1983 p.10 Union Oil denies 1st oil produced at Parachute Creek oil shale project. RMN 0 26, 1983 p.32 Chevron and Conoco begin shale retort north of DeBeque, Colo. RMN Ja 19, 1984 p.80 Peter Kiewit to become 10% partner in Cathedral Bluffs oil shale project. RMN F 14, 1984 p.1B,2B Exxon shipping oil shale from Colony project to Texas for testing. RMN S 25, 1984 p.1B,27B'