Terms used in the forest products industry for a U.S. ton or metric ton (tonne) of freshly cut timber, bark mulch, etc. Once the material has dried, it will of course weigh less
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}