It has the four largest known hogbacks. Dip slopes form the backslopes of cuestas, homoclinal ridges, hogbacks, and flatirons. There are two main types of Hogbacks. The erosion of tilted beds will form landforms called cuestas, homoclinal ridges, hogbacks, and flatirons. There are five hogbacks at Govan Parish Church. The surrounding hogbacks and foothills support a pine-Douglas fir vegetation community. All gradations occur between hogbacks, homoclinal ridges, and cuestas. The eroded steeply dipping units form hogbacks and flatirons. The later four hogbacks at Govan are dated to the end of the 10th century. Its head faces outward, an uncommon feature in hogbacks. Singular hogbacks were found in Ireland and Wales. The hogbacks are each in the shape of a house. Cuestas, homoclinal ridges, and hogbacks comprise a sequence of landforms that form a gradational continuum. Hogbacks are stone carved Anglo-Scandinavian sculptures from 10th- to 12th-century England and Scotland. The topography features hogbacks of sandstone escarpments and small dome-shaped buttes of igneous rocks.