SOUTH DAKOTA
Terry Peak Ski Area, Lead: 4� miles of trails, open only 26 days due to poor snow depth of 3 feet, local skiers only. Double chair 5,000/1,200/300. New: clubhouse; runs redesigned. Reservations: Chamber of Commerce, Deadwood. Snow conditions: ED KEENE, Deadwood 38.
WISCONSIN
Hardscrabble Ski Area, Rice Lake: 3 miles of trails, open 40 days, avg. min. snow depth 20 inches, year's crowd 19,733 6 rope tows. New: 2 open slopes; 5-acre skating lake. Reservations: Hagen Motel, Rice Lake. Snow conditions: MRS. CASPER HAGEN, Rice Lake 762.
Mt. Telemark, Cable: 2� miles of trails, open 120 days, avg. min. snow depth 12 inches, year's crowd 25,000. T bar 2,000/320/1,000; 8 rope tows. New: chalet redecorated; bottom of Tapley run widened. Reservations: Telemark Co., Hayward. Snow conditions: TONY WISE, Hayward 15 or 254.
Rib Mt., Wausau: 3 miles of trails, open 61 days, avg. min. snow depth 3 inches, year's crowd 17,000. T bar 1,450/350/750; 3 rope tows. Reservations: Chamber of Commerce, Wausau. Snow conditions: DELMAR DRUM, Wausau 2-1011, nights, Wausau 8-5126.
Sheltered Valley, Three Lakes: 2 miles of trails, open 115 days, avg. min. snow depth 12 inches, year's crowd 5,000. Poma 1,700/200/500; 4 rope tows. New: Nocolet dining room in chalet. Reservations: Northernaire, Three Lakes. Snow conditions: MIKE MARTY, Three Lakes 4397.
Trollhaugen Ski Area, Dresser: 5 miles of trails, open 40 days, avg. min. snow depth 6 inches, year's crowd 18,000. 6 rope tows. New: slopes smoothed; rental shop enlarged; Sno Cat. Reservations: Walter J. Peterson, St. Croix Falls. Snow conditions: WALTER J. PETERSON, St. Croix Falls 3-J.
EAST AND WEST
Following are some of the top resorts in the East and West which skiers may want to consider.
Aspen Highlands, Aspen, Col.: New area with 12 miles of trails. Constam T bar 1,200/220/800; Riblet double chair 2,700/900/800; Riblet double chair 8,800/2,000/400; restaurant; shop; ski school. Reservations: Nadine Johnson, Chamber of Commerce, Aspen. Snow conditions: PETER SEIBERT, Aspen, Walnut 5-7181.