 Check out the Rock Shop's Museum of Fossils and Minerals and pick up your free gift. Pavers, retaining walls, and so much more. Boulders, rocks, stone pebbles, outcropping, ledge stone, flagstone, they have them. The Rock Shop on Godfredson. Here for rock and ready to roll. Dig them up on the web at ineedrocks.com or call 734-455-5560.