Soil survey manual - United States (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 index.
Title from title screen (viewed on Dec. 30, 2011).
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Keywords: MCE; Soil surveys