Shenandoah National Park a result of differential erosion during the Cenozoic, although some post-Paleozoic tectonic activity occurred in the region. Legislation to create a national park in the Appalachian mountains was first introduced by new Virginia congressman Henry D. Flood in 1901, but despite the support of President Theodore Roosevelt, failed to pass. The first national park was Yellowstone, in Wyoming, Montana, and Idaho. It was signed into law in 1872. Yosemite National Park was created in 1890. When Congress created the National Park Service (NPS) in 1916, additional parks had maintained the western pattern (Crater Lake in 1902, Wind Cave in 1903,
West River, Wyoming School, and Worland High School . West River, Wyoming West River is an unincorporated community in Washakie County, Wyoming, United States. The population was 321 at the 2000 census, when it was a census-designated place (CDP). West River is located at (44.096812, -107.980449). According to the United States Census Bureau, in 2000 the CDP has a total area of 57.5 square miles (149.1 km²), of which, 57.2 square miles (148.3 km²) of it is land and 0.3 square miles (0.8 km²) of it (0.54%) is water. As of the census of 2000, there were 321 people, 113 households, and 96