History of Wyoming men. In 1871, Ferdinand Vandeveer Hayden led a formal geological survey of the area, the result of which ultimately convinced Congress to set aside the region. Yellowstone National Park became the world's first National Park in 1872. In August 1886, the U.S. Army was given administration of the park. In 1917, administration of the park was transferred to the new National Park Service. Hundreds of structures have been built and are protected for their architectural and historical significance, and researchers have examined more than 1,000 archaeological sites. Most of Yellowstone National Park is located in Wyoming. Wyoming is also home
Lance Creek, Wyoming Lance Creek, Wyoming Lance Creek is a census-designated place (CDP) in Niobrara County, Wyoming, United States. The population was 43 at the 2010 census. Lance Creek is the namesake of the Lance Formation, a rock formation from the Late Cretaceous that has yielded fossils from a diverse number of species. Lance Creek is located at (43.045452, -104.656628). According to the United States Census Bureau, the CDP has a total area of 42.0 square miles (108.8 km²), of which 42.0 square miles (108.8 km²) land and 0.026% is water. At the 2000 census, there were 51 people, 21 households and 17