Soil survey, Morgan County, Colorado - United States. Soil Conservation Service; Spears, Clayton F.; Colorado Agricultural Experiment Station (Washington, For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1968)
Cover title.
Cooperating agency: Colorado Agricultural Experiment Station.
Bibliography: p. 101 (2d group)
Keywords: Soils -- Colorado -- Morgan County -- Maps; Soil surveys -- Colorado -- Morgan County; Soil-surveys -- Colorado -- Morgan Co