NACP MsTMIP: Unified North American Soil Map

S. LIU, Y. WEI, W.M. POST, R.B. COOK, K. SCHAEFER & M.M. THORNTON
This data set provides soil maps for the United States (US) (including Alaska), Canada, Mexico, and a part of Guatemala. The map information content includes maximum soil depth and eight soil attributes including sand, silt, and clay content, gravel content, organic carbon content, pH, cation exchange capacity, and bulk density for the topsoil layer (0-30 cm) and the subsoil layer (30-100 cm). The spatial resolution is 0.25 degree. The Unified North American Soil Map (UNASM)...
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