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.
Robert Paterson (stonemason) He subsequently devoted his life to cutting and erecting stones for the graves of the Covenanters, for 40 years wandering from place to place in the lowlands. He died in poverty at Caerlaverock in 1801, and a stone to his memory was erected by Scott's publishers in 1869 in the churchyard. There is also a memorial in Balmaclellan churchyard where Paterson lived for many years. His son Walter Paterson was also a stonemason, and was father to Very Rev Nathaniel Paterson Moderator of the General Assembly of the Free Church of Scotland in 1850. Robert Paterson (stonemason) Robert Paterson (1715–1801),