1. Division of Biology Kansas State University 116 Ackert Hall Manhattan Kansas 66506 USA
2. U.S. Fish and Wildlife Service New Mexico Fish and Wildlife Conservation Office 3800 Commons Northeast Albuquerque New Mexico 87109 USA
3. Utah Division of Wildlife Resources Moab Field Station, 1165 South Highway 191, Suite 4 Moab Utah 84523 USA
4. U.S. Fish and Wildlife Service New Mexico Ecological Services Field Office 2105 Osuna Northeast Albuquerque New Mexico 87113 USA
5. U.S. Bureau of Reclamation Upper Colorado Regional Office 125 South State Street, Room 8100 Salt Lake City Utah 84138 USA