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,
Wyoming Highway 131 Wyoming Highway 131 Wyoming Highway 131 is a north-south Wyoming State Road in Fremont County that travels from US 287 in Lander, south to Sinks Canyon State Park. Wyoming Highway 131 begins its southern end at the northern boundary of the Shoshone National Forest at Sinks Canyon State Park, hence its name Sinks Canyon Road. WYO 131 travels northeast to Lander, entering from the southwest. Upon entering, WYO 131 turns east and becomes Fremont Street before turning north onto South 5th Street. According to the WYDOT 1997 route log, The last 1.68 miles of Highway 131 are maintained by the