National wildlife refuge
type of federal conservation area in the United States
Mille Lacs National Wildlife Refuge
Minnesota Valley National Wildlife Refuge
Monte Vista National Wildlife Refuge
Morgan Brake National Wildlife Refuge
National Bison Range
Neal Smith National Wildlife Refuge
Northern Tallgrass Prairie National Wildlife Refuge
Optima National Wildlife Refuge
Oxbow National Wildlife Refuge
Panther Swamp National Wildlife Refuge
Passage Key National Wildlife Refuge
Patuxent Research Refuge
Pearl Harbor National Wildlife Refuge
Pee Dee National Wildlife Refuge
Pinckney Island National Wildlife Refuge
Pine Island National Wildlife Refuge
Pinellas National Wildlife Refuge
Pixley National Wildlife Refuge
Pleasant Lake National Wildlife Refuge
Plum Tree Island National Wildlife Refuge
Pocosin Lakes National Wildlife Refuge
Port Louisa National Wildlife Refuge
Ash Meadows National Wildlife Refuge
Protection Island National Wildlife Refuge
Rappahannock River Valley National Wildlife Refuge
Red River National Wildlife Refuge
Rice Lake National Wildlife Refuge
Ridgefield National Wildlife Refuge
Rocky Mountain Arsenal National Wildlife Refuge
Rose Lake National Wildlife Refuge
Ruby Lake National Wildlife Refuge
Rydell National Wildlife Refuge
Sacramento River National Wildlife Refuge
Salt Plains National Wildlife Refuge
San Bernard National Wildlife Refuge
San Bernardino National Wildlife Refuge
San Diego Bay National Wildlife Refuge
San Diego National Wildlife Refuge
San Juan Islands National Wildlife Refuge
San Luis National Wildlife Refuge
San Pablo Bay National Wildlife Refuge
Sand Lake National Wildlife Refuge
Savannah National Wildlife Refuge
Wichita Mountains Wildlife Refuge
Seal Beach National Wildlife Refuge
Seal Island National Wildlife Refuge
Sheldon National Wildlife Refuge
Shell Lake National Wildlife Refuge
Sherburne National Wildlife Refuge
Sibley Lake National Wildlife Refuge