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State
Soils Drainage Class
State of Connecticut —
Drainage class (natural)" refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the water... -
Federal
Area- and Depth-Weighted Averages of Selected SSURGO Variables for the Conterminous United States and District of Columbia
Department of the Interior —
This digital data release consists of seven national data files of area- and depth-weighted averages of select soil attributes for every available county in the...