 The Department of the Interior designated Fort Omaha a historic district, and listed the Crook House on the National Register of Historic Places.In 1982 the Fort Omaha Guardhouse was designated a Landmark under the City of Omaha's Landmark Heritage Preservation Ordinance.In 1879 this Italianate-style house was completed for General and Mrs. Crook for the general's continued administration of the Indian Wars.