Location Details/Description: San Andres National Wildlife Refuge, New Mexico San Andres National Wildlife Refuge is part of the largest continuous and relatively undisturbed portion of the Chihuahuan Desert in the United States. Established in 1941 to conserve desert bighorn sheep, the refuge occupies 57,215 acres in the southern end of the San Andres Mountains in south-central New Mexico. Its steep terrain and isolated springs provide unique habitat for a variety of wildlife. The refuge serves as a natural laboratory for a variety of research and management projects. The refuge is home to desert bighorn sheep, Oryx, Mule deer, black bears, mountain lions, bobcats, gray fox, javelina, and a variety of migratory birds. San Andres National Wildlife Refuge has restricted