Claim: Hillside National Wildlife Refuge was founded in 1975 and is in Mississippi and it contains 15,572 acres.
Evidence: 1975 Holmes County, Mississippi, United States 15,572 acres (63.02 km) 
Bounded on the east side by the unique loess bluffs of eastern Mississippi, this 15,572-acre (63.02 km) refuge was named to reflect its location at the base of the bluffs. The refuge was established in 1975 and provides important stop-over and nesting habitat for over 225 species of neotropical migratory birds.