<Tr> <Th> Governing body </Th> <Td> National Park Service </Td> </Tr> <Tr> <Th> Website </Th> <Td> Devils Tower National Monument </Td> </Tr> <P> Devils Tower (also known as Bear Lodge Butte) is a laccolithic butte composed of igneous rock in the Bear Lodge Mountains (part of the Black Hills) near Hulett and Sundance in Crook County, northeastern Wyoming, above the Belle Fourche River . It rises 1,267 feet (386 m) above the Belle Fourche River, standing 867 feet (265 m) from summit to base . The summit is 5,112 feet (1,559 m) above sea level . </P> <P> Devils Tower was the first United States National Monument, established on September 24, 1906, by President Theodore Roosevelt . The monument's boundary encloses an area of 1,347 acres (545 ha). </P>

What is the devils tower made out of