@article{153675, note = {"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."}, url = {http://library.usi.edu/record/153675}, title = {Soil survey manual /}, publisher = {U.S. Dept. of Agriculture :}, recid = {153675}, pages = {xix, 437 p. :}, address = {[Washington, D.C.?] :}, year = {1993}, }