Soil survey manual
by Soil Survey Division staff.
- [Washington, D.C.] U.S. Dept. of Agriculture For sale by the Supt. of Docs., U.S. G.P.O. [1993]
- xix, 437 p. ill. (some col.) 24 cm.
- United States Department of Agriculture handbook no. 18 .
- Agriculture handbook (United States. Dept. of Agriculture) no. 18. .
"This is a revision and enlargement of U.S. Department of Agriculture Handbook No. 18, the Soil survey manual, issued October 1962, and supersedes it."
Includes bibliographical references (p. [345]-352) and index.