Soil survey manual - United States Dept. of Agriculture; United States. Bureau of Plant Industry, Soils, and Agricultural Engineering (Washington, D.C. : Agricultural Research Administration, U.S. Dept. of Agriculture, 1951)
"Revision and enlargement of U.S. Department of Agriculture Miscellaneous publication 274, the Soil survey manual, issued September 1937, and supersedes it."
Includes bibliographical references and index.
Keywords: Soil Survey