Ok.. house was under remodel and its a 1/2 acre property. She wants topsoil and seed and hay in front. and possibly rototill rear and seed. Im triing to push the 2 tandom loads of leafgrow dirt and a bobcat. Also a 40 x 20 driveway in pea gravel. get dirt delivered on a monday and gravel. Rent cat on tuesday spread dirt and gravel in applied spots. wednesday come back and seed and 6x6 box driveway. Also what is the formula for a 40 x 20 gravel driveway. how much (yards) of gravel??? And topsoil?? 1/2 acre I have never done a job this big.. please please someone give me some ideas.