Hi Greg,
When contractors say "yards" they actually mean "cubic yards", so the first task is to convert all the measurements to yards. There are 3 feet in a yard and 12 inches in a foot so
1000 ft = 1000/3 yards
20 feet
= 20/3 yards
3 inches = 3/12 feet = 3/36 yards
Thus the volume of dirt you need is
1000/3 20/3 3/36 = 185.2 cubic yards
Penny
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