 Davenport is centrally located in the northern wheat belt of the Columbia Basin, where dryland wheat farming on the hills not washed away in the great Missoula Floods some 14,000 years ago, is critical to the agricultural economy of the region.Davenport Union Warehouse and Odessa Union Warehouse operate multiple elevators of varying age and design on the southern part of the city.A few of these structures date to the early days of the city.