@article{789578,
      note = {"Issued March 2017."},
      url = {http://library.usi.edu/record/789578},
      title = {Soil survey manual /},
      abstract = {The newly updated Soil Survey Manual, USDA Handbook No.  18, provides the major principles and practices needed for  making and using soil surveys and for assembling and using  related data. The Manual serves as a guiding document for  activities of the National Cooperative Soil Survey (NCSS).  Previously published in 1937, 1951, and 1993, the Soil  Survey Manual is one of the defining documents for soil  survey in the world.},
      recid = {789578},
      pages = {xxix, 603 pages :},
}