Casper, Wyoming
Casper is a city in and the county seat of Natrona County, Wyoming, United States. Casper is the second largest city in the state, according to the 2010 census, with a population of 55,316. Only Cheyenne, the state capital, is larger. Casper is nicknamed "The Oil City" and has a long history of oil boomtown and cowboy culture, dating back to the development of the nearby Salt Creek Oil Field. In 2010, Casper was named the highest-ranked family-friendly small city in the West, and ranked eighth overall in the nation in Forbes magazine's list of "the best small cities to raise a family".
Wyoming Highway 271
Wyoming Highway 271 is an east–west Wyoming State Road known as "Twenty Mile Road" and is located in west-central Niobrara County, Wyoming, United States. 
Wyoming Highway 271 travels from Wyoming Highway 270 at Lance Creek west 3.19 miles to West Lance Creek where it ends and Niobrara CR 23 takes over. Milepost zero is at its eastern junction with Wyoming Highway 270. WYO 271 also provides access to the local airport.