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Soil Survey Program : ウィキペディア英語版 | Soil Survey Program The Soil Survey Program is a program of the Natural Resources Conservation Service to inventory soil resources as a basis for determining land capabilities and conservation treatments that are needed, provide soil information to the public (primarily through maps), and provide technical support to those who use soils information. More than 90% of the private lands have been mapped. In FY2001, maps were prepared or updated on , including 25 counties or areas for the first time. == References ==
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Soil Survey Program」の詳細全文を読む
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