NRCS Soils is part of the National Cooperative Soil Survey, an effort of Federal and State agencies, universities, and professional societies to deliver science-based soil information.
A system of test sites is now available in the U.S. through the National Geotechnical Experimentation Sites (NGES) Program funded by the National Science Foundation (NSF) and the Federal Highway Administration (FHWA).
An open-source database of geomechanical experimental results for promoting knowledge exchange among geomechanicians including graduate students, academic researchers as well as industrial engineers.
Useful links at American Coal Ash Association (ACAA)
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