Question: Where in the state where Detroit Lakes Airport is located does the Snake River start?

full_context: Document 1: Cann River: The Cann River rises southwest of Granite Mountain in remote country on the eastern boundary of the Errinundra National Park and flows generally east, then south, then east, then south through the western edge of the Coopracambra National Park and through the Croajingolong National Park, joined by seventeen minor tributaries before reaching its mouth with Bass Strait, at the Tamboon Inlet in the Shire of East Gippsland. The river descends over its course.
Document 2: Minnesota River: The Minnesota River is a tributary of the Mississippi River, approximately 332 miles (534 km) long, in the U.S. state of Minnesota. It drains a watershed of nearly , in Minnesota and about in South Dakota and Iowa.
Document 3: South Fork Humboldt River: The South Fork of the Humboldt River has its origins in a fan-shaped group of canyons draining the western slopes of the Ruby Mountains in northeastern Nevada. These headwaters run from Ruby Dome south to King Peak, and include Echo, Box, Kleckner, North Furlong, Long, Segunda, Drown, and Rattlesnake Canyons. Streams draining these canyons exit the mountains and converge at an elevation of , near the town of Lee and within the tribal lands of the Te-Moak tribe of the South Fork Band of the Western Shoshone.
Document 4: Detroit Lakes Airport: Detroit Lakes Airport is a city-owned public-use airport located two miles (3 km) west of the central business district of Detroit Lakes, a city in Becker County, Minnesota, United States.
Document 5: Range Regional Airport: Range Regional Airport is a public use airport located four nautical miles (5 mi, 7 km) southeast of the central business district of Hibbing, in Saint Louis County, Minnesota, United States. It was formerly known as Chisholm-Hibbing Airport or Chisholm-Hibbing Municipal Airport. The airport is mostly used for general aviation but is also served by one commercial and one charter airline. Scheduled passenger service is subsidized by the Essential Air Service program.
Document 6: Ripple River: The Ripple River is a small river that starts at the outlet of Bay Lake of Crow Wing County, Minnesota, and ends in Aitkin, the county seat of Aitkin County, at its confluence with the Mississippi River. The river follows a circuitous route: as the crow flies, the distance between its source and mouth is , but the total stream length is .
Document 7: Snake Creek, Oklahoma: Snake Creek is a census-designated place (CDP) in Mayes County, Oklahoma, United States. The population was 298 at the 2000 census.
Document 8: Maple Lake Municipal Airport: Maple Lake Municipal Airport is a city-owned, public-use airport located one nautical mile (2 km) northeast of the central business district of Maple Lake, a city in Wright County, Minnesota, United States. It is located on Maple Lake and is also known as Maple Lake Municipal Airport & Seaplane Base.
Document 9: Snake River (St. Croix River tributary): The Snake River with its tributaries drains a 1,009 square miles (2,610 km) area of Aitkin, Kanabec, Mille Lacs and Pine counties. After initially flowing southward from its headwaters in southern Aitkin County, the Snake flows through Kanabec County, turning eastward near Mora, Minnesota, following a minor fault line. It drains into the St. Croix River 13 miles (21 km) east of Pine City, Minnesota.
Document 10: Dodge Center Airport: Dodge Center Municipal Airport is a public airport located one mile from the central business district of Dodge Center a city in Dodge County, Minnesota, United States. The airport is publicly owned by the city of Dodge Center.
Document 11: Spokane River: The Spokane River is a tributary of the Columbia River, approximately long, in northern Idaho and eastern Washington in the United States. It drains a low mountainous area east of the Columbia, passing through the Spokane Valley and the city of Spokane, Washington.
Document 12: Fergus Falls Municipal Airport: Fergus Falls Municipal Airport , also known as Einar Mickelson Field, is a public airport located three miles (5 km) west of the central business district (CBD) of Fergus Falls, a city in Otter Tail County, Minnesota, USA. The airport covers and has two runways. It is primarily used for general aviation. The airport was formerly served by Northwest Airlink and United Express.
Document 13: Detroit Lakes, Minnesota: Detroit Lakes is a city in the State of Minnesota and the county seat of Becker County. The population was 8,569 at the 2010 census. Its unofficial population during summer months is much higher, estimated by citizens to peak at 13,000 midsummer, due to seasonal residents and tourists.
Document 14: Bakersfield Municipal Airport: Bakersfield Municipal Airport is a city-owned public-use airport located three nautical miles (6 km) south of the central business district of Bakersfield, a city in Kern County, California, United States. The airport is mostly used for general aviation.
Document 15: Thief River Falls Regional Airport: Thief River Falls Regional Airport is a public use airport located three nautical miles (6 km) south of the central business district of Thief River Falls, a city in Pennington County, Minnesota, United States. The airport is owned by the Thief River Falls Regional Airport Authority. It is mostly used for general aviation but is also served by one commercial airline subsidized by the Essential Air Service program.
ground_truth: southern Aitkin County
sub_queries: Which state is Detroit Lakes Airport located? Answer: Minnesota
where does the snake river in Minnesota start Answer: southern Aitkin County