Why is it....

easy... the dirt here is half rock, ya pick out the rocks, then you got half, then the above logic, that means ya got 1/4 th. I think???????

Half rock? Wish I had that much dirt....I am guessing more like 70-30 rock to dirt....

Need to get the guys number that supplies the Gravel for our roads. Going to get a load of sand....I think....