From deep in the Adirondacks: here
Frequent themes:
The old and frail cannot keep up, and are abandoned by the group, who cannot find them on the way back.
Tripped and fell.
And the common solution: So we sent a Ranger into the woods, he found 'em and walked them out...
Admittedly, this is a region and a season in which helicopters can fly less than half the time, and NY Forest Rangers are 7 feet tall and enjoy wading over 9 foot drifts on their snowshoes, but the choice of low tech over high tech solutions and the uniform, apparently effortless success is impressive.