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.
Limestone Township, Lycoming County, Pennsylvania Limestone Township, Lycoming County, Pennsylvania Limestone Township is a township in Lycoming County, Pennsylvania, United States. The population was 2,136 at the 2000 census. It is part of the Williamsport, Pennsylvania Metropolitan Statistical Area. Limestone Township was established on December 4, 1824 by an act of the Pennsylvania General Assembly. It was formed from parts of Nippenose and Wayne Townships. Limestone Township was originally known as Adams Township in honor of United States President John Adams until April 14, 1835 when the name as changed to what was deemed to be a more appropriate title. Upon arriving in present-day Limestone