Big thanks to Ratech for the rock. I actually got most of my garden done today. It only took two of us about 40 minutes to load up a pickup truck- way easier than I expected. I only took about 1/4 of it- so there's more left.
Edit- here's some pictures of what I did with the rock. It was an idea I had earlier but didn't want to spend 100's of dollars getting it at Burnco.