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It's just after 3pm on Saturday, March the 2nd, 1974.

In the Colorado Rockies, about 12 miles south of the town of Glenwood Springs,

skiers carved through freshly groomed snow

of the Sunlight Mountain ski area.

Despite the promise of its name,

sunlight mountain shivers today beneath dishwater grey clouds.

The temperature hovers around freezing.

A bitter wind rolls in, blowing fine, powdery spin drift across the slopes.

Not that the weather has kept the visitors away.

Schools have just broken up for spring break, and between dark ranks of spruce and Aspen,

hundreds weave their way downhill, squeezing in the last runs of the afternoon.

Overhead, chair lifts stretch across the slopes, like power lines.

Seated in one, their skis dangling over the edge are nine-year-old Danny Schaefer and his older brother David.

As the chairlift clanks along, ferrying its passengers up the mountain, Danny gazes out over the tops of the Evergreens.

The Schaefer's arrived from Denver early today for a weekend ski trip, and so far it's been a blast.

As they near the end of the lift, Danny hears something at the distance.

...