The futures of tourism, wildlife and ranching in Mono County are now at the mercy of the Los Angeles Department of Water and Power - according to environmental groups - now that a court has upheld the agency's authority to cut irrigation water. For about 100 years, the agency has leased its land and provided water for ranchers to graze cattle in Long Valley and Little Round Valley. But Wendy Schneider, executive director of the nonprofit Friends of the Inyo, said the damage from allowing less water to irrigate these valleys would be widespread. ...