A Green Ranch — Run By Cowboys

TWO MILE RANCH, ARIZ. — John Heyneman has a problem. It’s late January, and some of his cows are missing. They’re stuck on the Kaibab Plateau, a 9,000-foot high Ponderosa pine forest just north of the Grand Canyon. Most of his 400 cattle made it safely from the forest, their summer home, to the valley below, where they winter. But the stragglers wandered off on land that lacks a cowboy’s most important tool – fences – and now they’re lost, stranded knee-deep in snow.