Limestone high quality quarried limestone, called Indiana limestone. Many famous buildings in London are built from Portland limestone. Limestone was also a very popular building block in the Middle Ages in the areas where it occurred, since it is hard, durable, and commonly occurs in easily accessible surface exposures. Many medieval churches and castles in Europe are made of limestone. Beer stone was a popular kind of limestone for medieval buildings in southern England. Limestone and (to a lesser extent) marble are reactive to acid solutions, making acid rain a significant problem to the preservation of artifacts made from this stone.
Old Enon Road Stone Arch Culvert Old Enon Road Stone Arch Culvert The Old Enon Road Stone Arch Culvert is a historic limestone bridge in southern Clark County, Ohio, United States. It carries Rocky Point Road over Mud Run, a tributary of the Mad River, just west of its intersection with Old Mill Road. Located approximately east of Enon in eastern Mad River Township, it was constructed under the leadership of stonemason Samuel Taylor in 1871. In the past, the region was dotten with stone culverts, which were built in the nineteenth and early twentieth centuries to carry roads over small watercourses. Today, few stone culverts