From Portland Nursery's Website: http://www.portlandnursery.com/products/amendments.shtml
Rocky Point Poo
We like to carry local products that we find to be outstanding. Rocky Point Poo is one of those. Rocky Point Poo is a product of Rocky Point Stables in Scappoose, Oregon just north of Portland on Highway 30.
Rocky Point Poo compost is given the utmost care and attention to ensure you with a product perfect for your garden, plants, and flowers. The horse manure is cured, turned, and processed while monitoring the water and oxygen intake to stabilize the most nutrients as possible within the compost.
If you have any questions, comments, or concerns please feel free to contact us or check out our Rocky Point Poo website.
You can purchase the product in 1cu ft bags for $ 5.99.