Pennington County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 109,222, making it the second most populous county in South Dakota. Its county seat is Rapid City. The county was created in 1875, and was organized in 1877. It is named for John L. Pennington, fifth Governor of Dakota Territory, who held office in 1875 when the county was formed. Pennington County is included in the Rapid City metropolitan statistical area. It is also the location of Mount Rushmore.
Hill City is the oldest existing city in Pennington County, South Dakota, United States. The population was 872 at the 2020 census. Hill City is located 26 miles (42 km) southwest of Rapid City on U.S. Highway 16 and on U.S. Route 385 that connects Deadwood to Hot Springs. Hill City is known as the "Heart of the Hills", a distinction derived from its proximity to both the geographical center of the Black Hills, and the local tourist destinations.
Keystone is a town in the Black Hills region of Pennington County, South Dakota, United States. The population was 240 at the 2020 census. It had its origins in 1883 as a mining town, and has since transformed itself into a resort town, serving the needs of the millions of visitors to the Mount Rushmore National Memorial, which is located just beyond the town limits. Keystone was heavily damaged in the 1972 Black Hills flood.
U.S. Highway 16 (US 16) is an east–west United States Numbered Highway between Rapid City, South Dakota, and Yellowstone National Park in Wyoming. The highway's eastern terminus is at a junction with Interstate 90 (I-90)/US 14, concurrent with I-190, in Rapid City. The western terminus is the east entrance to Yellowstone National Park, concurrent with US 14 and US 20. US 16 used to extend all the way to Michigan but has been truncated in favor of I-90 and I-96.
Glued laminated timber, commonly referred to as glulam, is a type of structural engineered wood product constituted by layers of dimensional lumber bonded together with durable, moisture-resistant structural adhesives so that all of the grain runs parallel to the longitudinal axis. In North America, the material providing the laminations is termed laminating stock or lamstock.
Rockerville is a small unincorporated community in Pennington County in the Black Hills of the U.S. state of South Dakota. Originally established as a mining camp, it was named for the "rockers" which were used to separate placer gold from stream gravel.
Three Forks is an unincorporated community in Pennington County, South Dakota, United States. It lies at the intersection of U.S. Routes 16 and 385, just north of Hill City along Spring Creek. A small general store featuring fuel is open year-round; other businesses are open seasonally, including a campground, a motel, a miniature golf-course, and an ice-cream stand. The campground is the site of an annual Octoberfest event, and the area is heavily patronized during the Sturgis Motorcycle Rally in August of each year. In recent years, considerable residential development of the immediate area has swollen its population.
U.S. Highway 16A (US 16A) is a 36.971-mile (59.499 km) scenic United States Numbered Highway. It is an alternate route for US 16. It splits from US 16 in the Black Hills of the southwestern part of the U.S. state of South Dakota. The highway's western terminus is an intersection with US 16, US 385, and South Dakota Highway 89 (SD 89) in Custer. The eastern terminus is at an interchange with US 16 called Keystone Wye south of Rapid City. Portions of US 16A are known as the Iron Mountain Road, named after the peak it summits.
The Black Hills Central Railroad is a heritage railroad that operates in Keystone, South Dakota, United States. The railroad was added to the National Register of Historic Places on February 5, 2003.
South Dakota Highway 87 (SD 87) is a 37.894-mile-long (60.984 km) state highway in the southwestern part of the U.S. state of South Dakota. It travels through the Black Hills region. The highway's southern terminus is at an intersection with U.S. Route 385 (US 385), about 6 miles (9.7 km) southeast of Pringle, within the southwestern part of Wind Cave National Park. Its northern terminus is at an intersection with US 16/US 385 about 3 miles (4.8 km) south-southwest of Hill City, within the east-central part of the Black Hills National Forest.
Interstate 90 (I-90) in the US state of South Dakota traverses east–west through the southern half of the state.
South Dakota Highway 244 (SD 244) is a short state highway located entirely within Pennington County, South Dakota which provides access to Mount Rushmore. Highway 244 runs generally east–west between its eastern terminus at US 16A near Keystone and its western terminus at US 16/US 385 south of Hill City. The entire route is part of the Peter Norbeck Scenic Byway. SD 244 does not connect to its parent route.
South Dakota Highway 40 (SD 40) is a state highway in southwestern part of the US state of South Dakota. The highway is just over 37 miles (60 km) long and runs from U.S. Route 16A (US 16A) in Keystone to Bureau of Indian Affairs Highway 41 (BIA 41) in Red Shirt. The highway runs near Mount Rushmore National Memorial in Keystone, and its eastern terminus is on the Pine Ridge Indian Reservation near the edge of Badlands National Park.
The Peter Norbeck Scenic Byway is a National Scenic Byway in the Black Hills National Forest in the southwestern part of the U.S. state of South Dakota. It is a loop which is composed of portions of U.S. Route 16A (US 16A), South Dakota Highway 244 (SD 244), SD 87, and SD 89. Parts of the byway enter Black Hills National Forest, Custer State Park, and the Mount Rushmore National Memorial; the byway also travels within five miles of the Crazy Horse Memorial. The byway is named after Peter Norbeck, who served as governor of and senator for South Dakota.
Interstate 74 (I-74) is the central freeway through the Iowa Quad Cities. It roughly divides Davenport to the west and Bettendorf to the east. The Interstate Highway begins at an interchange with I-80 at the northeastern edge of Davenport and continues into Illinois at the Mississippi River by crossing the I-74 Bridge. The freeway was built in stages during the late 1960s and early 1970s.
At least 15 special routes of U.S. Route 16 (US 16) have existed, including four in Michigan.
South Dakota Highway 63 (SD 63) is a 167.455-mile (269.493 km) state highway in central South Dakota, United States, that connects U.S. Route 18 (US 18) south-southeast of Parmelee with the North Dakota state line north of McLaughlin.
A Gothic-arched roof barn or Gothic-arch barn or Gothic barn or rainbow arch is a barn whose profile is in the ogival shape of a Gothic arch. These became economically feasible when arch members could be formed by a lamination process. The distinctive roofline features a center peak as in a gable roof, but with symmetrical curved rafters instead of straight ones. The roof could extend to the ground making the roof and walls a complete arch, or be built as an arched roof on top of traditionally framed walls.
U.S. Highway 16 (US 16) is a 69-mile-long (111 km) east–west United States Numbered Highway in the western part of the state of South Dakota. It travels between Yellowstone National Park near Newcastle, Wyoming and Interstate 90 (I-90) in Rapid City.
The Sitting Bull Crystal Cavern Dance Pavilion is a historic event venue on the south side of U.S. Highway 16 northeast of Rockerville, South Dakota, near the Sitting Bull Crystal Caverns. Built in 1934, it hosted the Duhamel Sioux Indian Pageant, a Lakota tourist performance created by Black Elk in 1927. The pageant ran every summer until its discontinuation in 1957. A major attraction in the 1930s, its purpose was to not only profit off of tourism to the nearby Black Hills and Mount Rushmore but also—according to Black Elk—to represent Lakota traditions in a respectful, authentic way. It was added to the National Register of Historic Places in 1995 as a venue of enduring cultural and religious significance, and for its association with Black Elk.
US 16 / US 16A 
