By Todd Wilkinson | Special to the Herald Times
RBC | Mark DeOpsomer of Bozeman, Montana, is a backpacker with lots of miles on his soles. For almost four decades he’s gone to the remotest corners of the Northern Rockies.
On a recent trek 24 miles into the Bob Marshall Wilderness in Montana, he was relaxing along the banks of a creek, when out of nowhere a pack-rafter floated by. “I’d never seen…