Chief Cliff Patio A hard argillite stone available in patio grade flagstone, treads, boulders, masonry stone & more!The iron oxide in this stone allows for surface colors ranging from light tan to a dark chocolate brown-grey. Click here to see Chief Cliff Boulders Photo Gallery Chief Cliff Patio Grade Chief Cliff Patio Grade Chief Cliff Patio Grade Chief Cliff Patio Grade Chief Cliff Patio Grade Chief Cliff Patio Grade Chief Cliff Patio Grade Contact us for more information Contact Contact Us (208) 656-5832 office.blinepavers@gmail.com Facebook Pinterest Houzz Site Map Products Landscape Stone Manufactured Products Building Stone Outdoor Living Project Gallery About Us Contact