Efforts to recover the three men who died in an avalanche Tuesday while they were on a guided heli-ski trip in the Chugach Mountains near Girdwood were halted because of dangerous conditions and difficult terrain — and may not resume until conditions improve,

If the deaths are confirmed, it would be the deadliest U.S. avalanche since three climbers were killed in a slide in Washington's Cascade Range two years ago.

GIRDWOOD, Alaska -- Three skiers who had flown ... during a heli-skiing tour near Knik Glacier, in the Chugach Mountains just north of Anchorage. A year later, a heli-ski guide scouting an area ...