Sitting on a windswept escarpment over Albuquerque, New Mexico, is the Petroglyphs National Monument where carvings were etched into giant boulders centuries ago by ancestors of today's Pueblo people. Now local developers and city officials want to put a road through the Petroglyphs. The Department of Interior, which runs the site, says such a plan violates the laws protecting national parks. But the road may get a go-ahead from a special bill before Congress anyway. Richard Mahler reports from Albuquerque.