To authorize a land exchange involving the acquisition of private land adjacent to the Cibola National Wildlife Refuge in Arizona for inclusion in the refuge in exchange for certain Bureau of Land Management lands in Riverside County, California, and for other purposes.

Directs the Secretary of the Interior to convey specified federal land administered by the Secretary through the Bureau of Land Management (BLM) in Riverside County, California, to River Bottom Farms of La Paz County, Arizona, in exchange for conveyance to the United States by River Bottom Farms of specified parcels of land contiguous to the Cibola National Wildlife Refuge. Requires the lands acquired by the Secretary to become part of the Cibola National Wildlife Refuge.