Carboniferous reef limestone is quarried around Skipton. They were gradually replaced by more permanent structures built from locally quarried sandstone. The bricks were fired locally and the sandstone was quarried away near Fatehpur Sikri. The stone might be quarried nearby or shipped on the Nile from quarries elsewhere. These include sandstone and limestone, which have been quarried near Aisholt. The limestone was quarried from the ridge on the east. The stones are quarried limestone, each approximately in length. Limestone has been quarried in Monroe County since 1826. The Tura limestone used for the casing was quarried across the river. Sandstone was also quarried in the Glenfarne region. Sandstone has been quarried in Sudetes during the 19th and 20th centuries. Stone was usually quarried locally but was occasionally transported over great distances. The building was constructed with dolomite quarried in Minnesota. They were made of locally quarried white marble. Much granite was quarried from Kirkmabreck, near Creetown for dock construction from 1830 on.