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International Year of Soils -- The 68th United Nations General Assembly declared 2015 the International Year of Soils (IYS)

National Cooperative Soil Survey (NCSS) -- The definition, purpose, and history of the NCSS.

North America Node of -- A node (continent) of a global consortium formed to make a new digital soil map of the world.

Earth Team -- A history of volunteers in the Natural Resources Conservation Service.  Also includes volunteer needs in Lincoln, Nebraska.

National and International Soil Committees