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  • field book for describing and sampling soils ftp directory

    FOREWORDPurposeThe following instructions, definitions, concepts, and codes are afield guide for making or reading soil descriptions and sampling soils aspresently practiced in the USA.BackgroundThe methodology of soil descriptions was developed by soilscientists during the entire course of the Soil Survey Program. The USDApublished small booklets of Instructions to Field Parties

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