The Halfway Lake National Wildlife Refuge is located in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of North Dakota

North Dakota

North Dakota is a state located in the Midwestern region of the United States of America, along the Canadian border. The state is bordered by Canada to the north, Minnesota to the east, South Dakota to the south and Montana to the west. North Dakota is the 19th-largest state by area in the U.S....

 and consists of 160 acres (0.65 km².) The refuge is a privately owned easement refuge

Easement refuge

An easement refuge is a special type of National Wildlife Refuge under the auspices of the United States Fish and Wildlife Service.On an easement refuge, the Refuge boundaries encompass private land but the Fish and Wildlife Service does not own the land...

, managed by the U.S. Fish and Wildlife Service. The refuge is closed to the public and was established to protect habitat for migratory bird species and other animal life. Chase Lake Wetland Management District

Chase Lake Wetland Management District

Chase Lake Wetland Management District is located in the U.S. state of North Dakota. The district is located in what is known as the prairie–potholes region of lakes and ponds, which were left behind by the retreat of glaciers at the end of the last ice age...

 oversees the refuge, which in turn is a part of the Arrowwood National Wildlife Refuge Complex

Arrowwood National Wildlife Refuge Complex

The Arrowwood National Wildlife Refuge Complex consists of numerous National Wildlife Refuges and Wetland Management Districts in the U.S. state of North Dakota. Altogether, twelve separate areas are in the complex, with the Chase Lake Prairie Project being the largest at...

.