Sequoia Scientific Inc. has delivered five LISST-200X submersible particle-size analyzer systems to the United States Army Corps of Engineers (USACE) Engineer Research and Development Center (ERDC) in Vicksburg, Mississippi.  Each system comprises Sequoia’s flagship LISST-200X laserdiffraction particle size analysis instrument and accessories designed for both lab and in-field applications of the instrument.     USACE will initially use the advanced LISST-200X technology within their sensitive