I'm doing my first rock bed and when I went to the store to get info on how much I need I was told I would need 2 yards for 300 square feet, I think he told me 2-2.5" deep for Colorado River Jack 1"-2" just to get me a ball park figure of what it will cost. Now that my measurements are complete I need to cover a total of 563 sq ft. I called the same business but a different location and I was told I need 4.5 yards, I then called the location I visited the other day and I'm told I need 6 yards. I then searched a site and filled in the measurement for stone 1"-3" said I need 4.6 tons. Does a ton equal a yard? I also did the W x L x 1.67 and got 3.47 yards So my questions are if I calculate for 2" deep will that be enough? if I had 4.5 yards dropped right next to where its going, how long would it take to disperse it with shovel and wheel barrel?