S-K-I <SKII.O> TO BUY CALIFORA SKI AREA S-K-I Ltd and <Goldmine Ski Associates Inc> said they reached an agreement calling for S-K-I to buy Goldmine's California ski area for approximately 10 mln dlrs. S-K-I, which owns Killlington and Mount Snow ski resorts in Vt., said the California ski area is located in the San Bernardino mountains. The company said it plans to invest approximately 10 mln dlrs into the ski area in the next few years.