CABLEVISION TO BUY VALLEY CABLE FOR 100 MLN DLR <Cablevision Industries Corp> said its Cablevision Industries of California Inc subsidiary has entered into an agreement to buy substantially all of the assets of Valley Cable TV for about 100 mln dlrs. The company said it will buy the system from a California limited partnership, which is wholly-owned by Toronto-based <Hollinger Inc>. It said Valley Cable operates a 60,000 subscriber cable television systems passing about 180,000 homes in the west San Fernando Valley area of Los Angeles. Cablevision said it is the nation's 21st largest cable company and is ownnd by Alan Gerry, its chairman, president and chief executive officer. The company said the agreement is subject to regulatory approval.