Question: When is the Sturgis motorcycle rally, in the state that contains the meridian named for the hills that include the Missouri Buttes within their range?

full_context: Document 1: Missouri Buttes: Missouri Buttes are located in Crook County in northeast Wyoming on the northwest flank of the Black Hills Uplift. The buttes are northwest (N60°W) of Devils Tower between the Little Missouri and the Belle Fourche rivers.
Document 2: Needles (Black Hills): The Needles of the Black Hills of South Dakota are a region of eroded granite pillars, towers, and spires within Custer State Park. Popular with rock climbers and tourists alike, the Needles are accessed from the Needles Highway, which is a part of Sylvan Lake Road (SD 87/89). The Cathedral Spires and Limber Pine Natural Area, a 637-acre portion of the Needles containing six ridges of pillars as well as a disjunct stand of limber pine, was designated a National Natural Landmark in 1976.
Document 3: Detroit: Annual summer events include the Electronic Music Festival, International Jazz Festival, the Woodward Dream Cruise, the African World Festival, the country music Hoedown, Noel Night, and Dally in the Alley. Within downtown, Campus Martius Park hosts large events, including the annual Motown Winter Blast. As the world's traditional automotive center, the city hosts the North American International Auto Show. Held since 1924, America's Thanksgiving Parade is one of the nation's largest. River Days, a five-day summer festival on the International Riverfront lead up to the Windsor–Detroit International Freedom Festival fireworks, which draw super sized-crowds ranging from hundreds of thousands to over three million people.
Document 4: Sturgis Motorcycle Rally: Sturgis Motorcycle Rally Motorcycles lined up on Main Street during the Sturgis motorcycle rally. Genre Motorcycle rally Dates First week in August Location (s) Sturgis, South Dakota, United States Founded August 14, 1938 (1938 - 08 - 14) Most recent August 4 - 13, 2017 Next event August 3 - 12, 2018 Attendance highest: 739,000 (2015) Website www.sturgismotorcyclerally.com
Document 5: Montana: The northern section of the Divide, where the mountains give way rapidly to prairie, is part of the Rocky Mountain Front. The front is most pronounced in the Lewis Range, located primarily in Glacier National Park. Due to the configuration of mountain ranges in Glacier National Park, the Northern Divide (which begins in Alaska's Seward Peninsula) crosses this region and turns east in Montana at Triple Divide Peak. It causes the Waterton River, Belly, and Saint Mary rivers to flow north into Alberta, Canada. There they join the Saskatchewan River, which ultimately empties into Hudson Bay.
Document 6: Iron Mountain (South Dakota): Iron Mountain is a peak in the Black Hills of South Dakota, notable for the fact that U.S. Route 16A was purposely built directly over its summit to provide scenic views of Mount Rushmore National Memorial.
Document 7: Isle of Man TT: The International Isle of Man TT (Tourist Trophy) races are an annual motorcycle sport event run on the Isle of Man in May / June of most years since its inaugural race in 1907, and is often called one of the most dangerous racing events in the world.
Document 8: Montana: East of the divide, several roughly parallel ranges cover the southern part of the state, including the Gravelly Range, the Madison Range, Gallatin Range, Absaroka Mountains and the Beartooth Mountains. The Beartooth Plateau is the largest continuous land mass over 10,000 feet (3,000 m) high in the continental United States. It contains the highest point in the state, Granite Peak, 12,799 feet (3,901 m) high. North of these ranges are the Big Belt Mountains, Bridger Mountains, Tobacco Roots, and several island ranges, including the Crazy Mountains and Little Belt Mountains.
Document 9: Full Throttle Saloon: Full Throttle Saloon is an American reality television series that premiered on November 10, 2009, and originally aired on truTV. The series, which takes its name from the bar, chronicles the daily operations of the world's largest biker bar, Full Throttle Saloon, located in Sturgis, South Dakota was housed on 30 acres of land, which Michael Ballard purchased in 1999. The indoor/outdoor bar included several large stages, a burn-out pit, a tattoo parlor, zip lines, a wrestling ring, restaurants, dozens of stores, hundreds of cabins for rent, and parking for thousands of motorcycles. It was open from late March/early April until mid-November (weather permitting), and was busiest during the annual week-long Sturgis Motorcycle Rally. Each year, the first full week of August marks the beginning of the Sturgis Motorcycle Rally, during which time, the Saloon could average 20,000 guests each night.
Document 10: Black Hills Corporation: Black Hills Corporation is a Rapid City, South Dakota diversified energy company that is an electric and gas utility in South Dakota and Wyoming and sells power throughout the American West.
Document 11: Black Hills meridian: The Black Hills meridian, longitude 104°03′ west from Greenwich, with the baseline in latitude 44° north, is the principal meridian that governs surveys in the state of South Dakota north and west of White River, and west of the Missouri River (between latitudes 45°55′20″ and 44°1′30″), the north and west boundaries of the Lower Brule Indian Reservation, and the west boundary of range 79 west, of the Fifth Principal Meridian system. It is named for the Black Hills of South Dakota and Wyoming.
Document 12: Montana: East of the divide the Missouri River, which is formed by the confluence of the Jefferson, Madison and Gallatin rivers near Three Forks, flows due north through the west-central part of the state to Great Falls. From this point, it then flows generally east through fairly flat agricultural land and the Missouri Breaks to Fort Peck reservoir. The stretch of river between Fort Benton and the Fred Robinson Bridge at the western boundary of Fort Peck Reservoir was designated a National Wild and Scenic River in 1976. The Missouri enters North Dakota near Fort Union, having drained more than half the land area of Montana (82,000 square miles (210,000 km2)). Nearly one-third of the Missouri River in Montana lies behind 10 dams: Toston, Canyon Ferry, Hauser, Holter, Black Eagle, Rainbow, Cochrane, Ryan, Morony, and Fort Peck.
Document 13: Choctaw meridian: The Choctaw meridian is a meridian that governs the surveys in most of central Mississippi, USA. It begins on the Choctaw baseline, latitude 31° 54' 40" north, longitude 90° 14' 45" west from Greenwich and runs north to the south boundary of the Chickasaw cession, at latitude 34° 19' 40" north.
Document 14: Roof Butte: Roof Butte ( "Roof shaped mountain on the run") is a peak in the Chuska Mountains in Arizona, United States. Roof Butte is the highest peak of the Chuska Mountains which run in a north-northwest direction across the Arizona-New Mexico border. Roof Butte is a visible butte for miles around. The butte has an elevation of . A manned-lookout tower is located on Roof Butte. Two funnel shaped explosion volcanic pipes formed the flattish summit of Roof Butte, and a low lava dome caps one nearby peak.
Document 15: SoDak Con: SoDak Con formerly called SoDak Anime Convention, is an annual three-day anime convention held during May/June at the Rushmore Plaza Civic Center in Rapid City, South Dakota. The name of the convention comes from the state that the convention is located in, South Dakota.
ground_truth: August 3 - 12, 2018
sub_queries: Missouri Buttes >> part of Answer: Black Hills
Black Hills meridian >> located in the administrative territorial entity Answer: South Dakota
when is the sturgis South Dakota motorcycle rally Answer: August 3 - 12, 2018