About the NWRS
The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America’s fish, wildlife, and plants.
Learn more about the NWRS
Union Slough National Wildlife Refuge was established by an Executive Order in 1938 and was designated a migratory waterfowl refuge.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Apr 16, 2013