Soil survey, Spokane County, Washington - Donaldson, Norman C.; Giese, Laurence D.; United States. Soil Conservation Service (Washington] Soil Conservation Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1968)
Cover title.
Bibliography: p. 142.
Keywords: Soils -- Washington (State) -- Spokane County -- Maps; Soil surveys -- Washington (State) -- Spokane County