Dimension stone converted to dimension stone production. However, first the stone shattered by heavy and indiscriminate blasting must be removed. Dimension stone is separated by more precise and delicate techniques, such as diamond wire saws, diamond belt saws, burners (jet-piercers), or light and selective blasting with Primacord, a weak explosive. A variety of igneous, metamorphic, and sedimentary rocks are used as structural and decorative dimension stone. These rock types are more commonly known as granite, limestone, marble, travertine, quartz-based stone (sandstone, quartzite) and slate. Other varieties of dimension stone that are normally considered to be special minor types include alabaster (massive gypsum),
Sixth, Seventh, and Tenth Street Stone Arch Bridges the city. The bridges were added to the National Register of Historic Places on August 8, 2001. Sixth, Seventh, and Tenth Street Stone Arch Bridges The Sixth, Seventh, and Tenth Street Stone Arch Bridges are three stone arch bridges in Charleston, Illinois, which carry Sixth, Seventh, and Tenth Streets across the Town Branch of Cassell Creek. Prominent local stonemason Alexander Briggs built the three bridges during the 1890s, when increasing development in Charleston expanded across the creek. The three bridges were all built from locally quarried limestone, and each has a single arch design with abutments at both ends. While