Cart 2 : A unit of volume, generally informal, equal to the capacity of a small cart. In Newfoundland, a cart of salt traditionally equalled 6 tubs or 108 Imperial gallons (490.98 liters)
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}