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.
Michael Sullivan (stonemason) the following: Michael Sullivan (stonemason) Michael Sullivan (died March 25, 1928) was a stonemason who in the 1920s built various historical structures of fieldstone in Casa Grande. He also built a monument in the town of Sacaton, Arizona, dedicated to Pvt. Matthew B. Juan, a Native American, who was the first Arizonan to die in World War I. Sullivan was born in Casa Grande, Arizona, in the late 19th century. There he became a professional stonemason. His specialty was building structures out of fieldstones. Fieldstones are the stones collected from the surface of fields where it occurs naturally. The stones