BOISE, Idaho — The drive to Adelmann Mine begins on a road familiar to generations of Idahoans.
Highway 21 winds through the foothills east of Boise, carrying boaters to Lucky Peak Reservoir, campers into the mountains and hikers searching for unique outdoor destinations.
Just across the highway from the reservoir, a trail disappears into the Boise River Wildlife Management Area. The route starts somewhat unexpectedly, passing between a cluster of buildings before turning uphill. From there, the climb begins gradually…