SNOW PATROL

LS—depth of snow on lower slopes; US—depth of snow on upper slopes; TD—total snowfall during the week days; TW—total snowfall during the weekend; CD—crowd during the week; CW—crowd during the weekend; CL—closed lifts, trails or slopes

FAR WEST

Squaw Valley, Calif.: Corn snow on all trails last weekend with Mambo Meadow, Flying Saucer and Nob Hill excellent. Valley accommodations nearly booked for coming weekend. Ski School Head Joe Marillac will set gates for men's giant slalom in the national alpine championships here April 6 to 8. LS 84, US 258, TD 12, TW 0, CD 700, CW 1,800.

Sugar Bowl, Calif.: Best skiing of the year at area. Racers here for the Standard Eagle Races using mixture of Metro Five and Swix for speed. LS 180, US 360, TD 24, TW 0, CD 300, CW 1,800.

Edelweiss, Calif.: Skiing excellent on week's heavy fall of powder snow. LS 124, US 156, TD 18, TW 0, CD 200, CW 3,400.

Mt. Baldy, Calif.: Mild weather provided good spring skiing on Thunder Mt. but forced Beginner's Gulch and rope tow areas to close for lack of cover. High temperatures and snow famine have thinned base considerably. LS 0, US 0 to 12, TD 0, TW 0, CD 100, CW 300.

Yosemite, Calif.: Excellent spring skiing over weekend. All trails open. LS 95, US 95, TD 3, TW 0, CD 1,950, CW 4,900.

Mt. Baker, Wash.: All tows and lifts operating. Week's snowfall deposited five feet of coyer. Lodge buildings safe for full use after drifts dynamited from roof. Austin Trail was packed out and skiers toured Artist's Point and Shuksan Arm. McQuire Cup won by David Bornstein. CW 1,500.

Stevens Pass, Wash.: Road closed because of slides for 10th straight day last weekend.

Snoqualmie, Wash.: Heavy snowfalls during week made skiing excellent. LS 220, TD 10, TW 15, CD 300, CW 5,000.

Mt. Hood, Ore.: At Timberline, trails along lower chair were good where packed out; upper chair still buried under week's snowfall. Snow Cats taking skiers to 9,000-foot level for long runs to the lodge. TD 12, TW 1, CD 200, CW 2,600. At Gov't Camp, LS 150, US 154, TD 8, TW 1, CD 100, CW 3,200.

Grouse Mt., B.C.: Skiing excellent; all facilities running Wednesdays through weekend. Vancouver Sun giant slalom race and Grouse Mountain Ski Runners jump will be held here March 18. LS 98 to 144, US 144 to 230, TD 30, TW 0, CD 500, CW 2,500.

WEST

Aspen, Col.: Late winter skiing is best within recent memory here. Both lower and upper mountain have excellent conditions. Steve Knowlton won national veterans slalom title, with Curt Chase second. Barney McLean took downhill, with Denver U. Ski Coach Willie Schaeffler second. Roch Cup race here March 16 to 18. LS 30 to 35, US 65 to 70, TD 0, TW 6 to 12, CD 500, CW 750.

Winter Park, Col.: Excellent packed-powder skiing following weekend snow. Chains required on all access roads. LS 34 to 50, US 50 to 62, TD 0, TW 4, CD 1,200, CW 2,950.

Brighton, Utah: Skiing excellent with layer of dry powder on most slopes. High temperatures brought some skiers out in bathing suits. Ski enthusiast Lowell Thomas here last week. LS 118, US 148, TD 5, TW 4, CD 400, CW 3,400.

Alta, Utah: Skiing excellent on packed runs. Unpacked areas have wind crust. LS 136, US 136, TD 2, TW 3, CD 800, CW 1,500.

Sun Valley, Idaho: Skiing on Warm Springs Trail superb, with rest of valley excellent. Union Pacific and Todd-AO both making movies here. On Dollar, US 44, valley floor 35. On Baldy, US 95, Roundhouse 80. TD 5, TW 0.

Santa Fe, N. Mex.: Excellent skiing. Amarillo, Texas ski club was out in force on slopes last weekend. Skiers got curb-service luncheon from grill on patio. Area has doubled business over last year. LS 18 to 24, US 36 to 48, TD 3, CD 350, CW 900.

Flagstaff, Ariz.: Skiing excellent. All slopes and trails open. LS 40, US 60, TD 5, TW 2, CW 2,400.

MIDWEST

Boyne Mt., Mich.: Windstorm built up three-to six-foot drifts over whole area and closed access road. Skiers parked on highway, skied a mile to lodge. LS 46, US 18 to 24, TD 6, TW 12, CD 160, CW 450.

Caberfae, Mich.: Ten-inch midweek snowfall countered previous thaw to give excellent skiing. CD 70, CW 1,000.

Iron Mt., Mich.: Skiing excellent with four inches of powder over hard base last weekend.

Mt. Telemark, Wis.: Skiing good. LS 15, US 2 to 15.

Terry Peak, S.Dak.: Heaviest storm of year put 10 to 15 inches of cover on all slopes last week. LS 24, US 27, TD 5, TW 10, CD 100, CW 500.

EAST

Stowe, Vt.: Biggest snowfall since December smoothed trails with heavy coat of powder, brought excellent conditions for Stowe Carnival. Heavy winds closed Spruce chair last weekend. Chiharu Igaya took carnival exhibition triple slalom event. LS 44, US 60, TD 18, TW 0, CD 1,500, CW 4,000.

Mad River Glen, Vt.: All trails good to excellent last weekend, with upper trails wearing under heavy use by fast skiers. Robert Jones and son Fred took 12th annual father-son race; Sel Hannah and daughter Joan took father-daughter title. Jones family took Silver Bowl for fourth time. LS 28, US 50 to 60, TD 6 to 10, CW 2,200.

Big Bromley, Vt.: Heavy snow during week gave area deepest-packed base on record. Upper trails closed for packing during weekend. LS 16 to 40, US 16 to 40, TD 12, TW 3, CD 800, CW 3,600.

Mt. Snow, Vt.: Skiing excellent after week of powder snowfall. LS 25 to 45, US 40 to 70, TD 12, TW 0, CD 1,000, CW 3,000.

Hogback, Vt.: Skiing good to excellent all week. Loose granular cover over weekend. LS 16 to 40, US 16 to 40, TD 8, TW 0, CD 100, CW 2,000.

Pico Peak, Vt.: LS 10 to 20, US 10 to 20, TD 19, TW 9, CD 1,500, CW 2,000.

Okemo, Vt.: LS 7 to 12, US 20 to 40, TD 11 to 24, TW 7 to 14, CD 1,000, CW 1,700.

Belleayre, N.Y.: Skiing on all trails good, but snow wet and heavy last weekend. LS 6 to 19, US 6 to 19, TD 8, TW 0, CD 200, CW 2,500.

Snow Ridge, N.Y.: Area marked 100 days of skiing last week. LS 20, US 50, TD 14, TW 2, CD 150, CW 3,750.

Eastern Slopes Region, N.H.: Region had best skiing in three years after storm during week. On Cramore, LS 16 to 32, US 16 to 32, East Slope 20 to 40, TD 10, TW 0, CW 10,000.

Cannon Mt., N.H.: Best snow conditions of year last weekend, but tramway was closed because of high winds. All trails open and excellent. LS 4 to 41, US 6 to 50, TD 22, TW 1, CD 950, CW 2,750.

Belknap, N.H.: LS 12, US 24, TD 14, TW 0, CD 700, CW 1,500.

Mt. Tremblant, Que.: Blizzard laid 10 inches of snow on mountain, and resultant conditions were best of year. LS 34, US 53, TD 12 to 15, TW 0, CD 2,300, CW 3,000.

Lac Beauport, Que.: Biggest storm of the winter put slopes and trails in excellent condition last week. LS 32, US 34 to 40, TD 12.

Mt. Jasper, Que.: LS 35, US 65, TD 18, TW 3, CD 1,500, CW 1,300.

ILLUSTRATION