Cameron In trucking, Bone dry loam is figured at 1 ton per cubic yd. 1 cu yd spread 3" thick covers 12 sq yd (36 in = 1 yd: 3 into 36 = 12: correct) 12 into 4840 to 3 sig. digits is 403 tons x 2000 = 806,000 lbs add average 20% moisture (around here) For the home gardener with a wheelbarrow and a shovel what is the significant difference? Byron