Water supply, Denver Exploratory drilling for Western slope diversion from Vail area ok'd. Post Ap 8, 1969 p.3 40-year water needs will cost 3900 million according to Denver regional council of governments. Post Jl 20, 1969 p.41 Denver Water Board cites future Denver water needs. RMN 0 1, 1969 p.14 Water department backs Platte cleanup for future aqueduct plan. Post. Mr 12, 1970 p.42 Feature on Denver's future water needs and how to meet them. Water News Mr-Ap 1970