Volumetric Unit (vu) : A unit of volume equal to 200 cubic feet (5.663 cubic meters), used in the U.S. forest products industry for wood chips and other by-products of lumber production
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}