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National Soil Data Access Facility - http://soils.usda.gov/
NRCS data and related information, including soil survey manuals, classifications, lists of published soil surveys (some online), general information about soils, and related links. |
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Natural Resources Conservation Service, NRCS - http://www.nrcs.usda.gov/
Formerly the U.S. Soil Conservation Service. NCRS program areas include soil survey, conservation assistance, farmland protection, grazing lands conservation, and watershed protection. |
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Natural Resources Conservation Service Maps, Imagery, Data, and Analysis - http://www.nrcs.usda.gov/technical/maps.html
NRCS distributes natural resources inventory, maps, soils data, and related materials to the public. |