Herbie Herbert steers down the road, head swiveling, eyes peeled. Just past where Scottsdale's plazas and office parks give way to desert, he sees something in a dry wash."There's a spot," he says.

Two Flathead Valley rock clubs have joined efforts to put on a combined Gold, Gem and Mineral Show on March 22-23. The 18th annual show, presented by the Northwest Montana Rock Chucks Rock Club and ...