Much of the refuge has a series of low dikes that help to maintain some areas in a prolonged wetland state, increasing wildlife habitat, especially for migratory bird species. The refuge borders the Nebraska Sandhills, which are a source of water runoff into the early summer.
The refuge's design features low dikes that create wetland areas, providing habitat for birds, especially those migrating through. The refuge is situated near the Nebraska Sandhills, a source of water during the early summer months.