Now, back to the square one... Wow, Liz, 50 cubic yards! 2ft high! I made raised bed at the back yard a couple of years ago - for tomatoes mostly - and it was about 1 feet high - it was rather tiring experience. I, me and myself for the whole project and no machinery involved...
Karen, what are your standard dimensions for the peony planting hole? I know that some people are blessed with wonderful soil, but not in my case - more than once I had to use Eastwing rock geological hammer as my shovel could not go further than 1 cm deep...