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,
Ryan Park, Wyoming Ryan Park, Wyoming Ryan Park is a census-designated place (CDP) in Carbon County, Wyoming, United States. The name was collected by the United States Geological Survey between 1976 and 1979, and entered into the Geographic Names Information System on June 5, 1979. "Ryan Park" is designated as an acceptable place name by the United States Postal Service for mailing addresses and is assigned the ZIP code (82331) of Saratoga, the nearest incorporated town. The population was 38 at the 2010 census. According to the United States Census Bureau, the CDP has a total area of 2.1 square miles (5.4 km),