The Desert National Wildlife Refuge Complex is a set of wildlife refuges, administered by the U.S. Fish and Wildlife Service, located north and west of Las Vegas, Nevada. The complex is a grouping of four wildlife refuges:
All of these refuges are managed from a central office, have similar ecology, and similar management needs. Fish and Wildlife Service staff are shared between all of these refuges.
References
Desert National Wildlife Refuge Complex Wikipedia(Text) CC BY-SA