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NSSH Amendment 20

October 2011

This is a summary of changes to the National Soil Survey Handbook (NSSH). The official copy of the NSSH is in HTML format and MSWord files at Selected parts are also on eDirectives at

Part 602 – National Cooperative Soil Survey Conferences

  1. Exhibits 602-2, 602-3, and 602-5 were revised as a result of the work of the bylaws committees from the 2010 regional NCSS conferences.
  2. Edited to ensure consistent naming for the titles of the NSSC national leaders as well as updates to the names and acronyms of NRCS offices (e.g., From: NCGC To: NGMC).

Part 631 – Soil Survey Investigations

  1. Revised paragraph in section 631.07 (a), at the request of soils hotline staff, to update the information about the laboratory database.

Part 649 – Land Resource Regions and Major Land Resource Areas

  1. Updated office names.
  2. Corrected name of the PRISM model.
  3. Other extensive, but relatively minor edits throughout.