United States. Soil Conservation Service & University of Nebraska--Lincoln. Conservation and Survey Division. (1990). Soil survey of Loup County, Nebraska. The Service.
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service and University of Nebraska--Lincoln. Conservation and Survey Division. Soil Survey of Loup County, Nebraska. [Washington, D.C.?]: The Service, 1990.
MLA (9th ed.) CitationUnited States. Soil Conservation Service and University of Nebraska--Lincoln. Conservation and Survey Division. Soil Survey of Loup County, Nebraska. The Service, 1990.
Warning: These citations may not always be 100% accurate.