Years ago, I had a patient that had a yard service, a nursery, and would mix bulk soils when I asked. He mixed 1/3 compost, 1/3 oak mulch, and 1/3 top soil and I found that to be a great garden/landscape mix. He closed down everything but the yard service but now only services large businesses, state right-of-ways, and our University. That's when he told me the Co-op had a somewhat similar product.