paragraph_text: Lake Isabella – Cal Brewer Memorial Airport is a public use airport located one nautical mile (2 km) east of the central business district of Lake Isabella, in Isabella County, Michigan, United States. The airport is owned by the Village of Lake Isabella. It was formerly known as Lake Isabella Airpark.

paragraph_text: Lake Billy Chinook Airport, also known as Lake Billy Chinook State Airport, is a public use airport located six nautical miles (7 mi, 11 km) west of the central business district of Culver, a city in Jefferson County, Oregon, United States. The airport is privately owned, despite the name which might give the impression that it was owned by the state.

paragraph_text: Hobart Sky Ranch Airport is a public-use airport located two miles (3 km) northwest of the central business district of Hobart, a city in Lake County, Indiana, United States. This airport is privately owned by Don Niemeyer.

paragraph_text: Anahim Lake Airport, , is located south of Anahim Lake, British Columbia, Canada. It is a year-round airport serving the West Chilcotin area, operated by Cariboo Regional District.

paragraph_text: 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.

paragraph_text: Hell's Half Acre Lava Field is a basaltic lava plain located on the Snake River Plain of Idaho in the United States. It is the easternmost of the basaltic lava fields on the Snake River Plain, located about west of Idaho Falls, Idaho and north of Pocatello, Idaho. In 1976, the National Park Service designated the northwestern portion of the site a National Natural Landmark. In 1986, the Bureau of Land Management recommended that of the site, located just southeast of the National Natural Landmark, to be a wilderness study area.

paragraph_text: 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.

paragraph_text: 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.

paragraph_text: Kirkland Lake Airport, , is located northeast of Kirkland Lake, Ontario, Canada. The airport was established on December 7, 1982.

paragraph_text: Lake Village Airport is a public-use airport located one mile (1.6 km) northwest of the central business district of Lake Village, in Newton County, Indiana, United States. The CTAF for the Airport is 122.9. This airport is privately owned by Michael Steinle.

paragraph_text: 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.

paragraph_text: The Amite River is a tributary of Lake Maurepas in Mississippi and Louisiana in the United States. It is about long. It starts as two forks in southwestern Mississippi and flows south through Louisiana, passing Greater Baton Rouge, to Lake Maurepas. The lower of the river is navigable. A portion of the river is diverted via the Petite Amite River and Amite Diversion Canal to the Blind River, which also flows to Lake Maurepas.

paragraph_text: British Columbia Campbell River (Campbell River Airport) Dawson Creek (Dawson Creek Airport) Fort Nelson (Fort Nelson Airport) Fort St. John (Fort St. John Airport) Kamloops (Kamloops Airport) Kelowna (Kelowna International Airport) Prince George (Prince George Airport) Quesnel (Quesnel Airport) Smithers (Smithers Airport) Terrace (Northwest Regional Airport) Vancouver (Vancouver International Airport) Williams Lake (Williams Lake Airport)

paragraph_text: Zama Airport, , was located near to Zama City, Alberta, Canada. It is located outside of Zama City. Farther away is the Zama Lake Airport, which is near Zama Lake.

paragraph_text: Erie County Airport is a privately owned, public use airport in Erie County, Pennsylvania, United States. It is located three nautical miles (6 km) northwest of the central business district of Wattsburg, Pennsylvania. It is currently listed as abandoned on the Detroit sectional chart.

paragraph_text: Black River Falls Area Airport is a public use airport located three nautical miles (6 km) south of the central business district of Black River Falls, a city in Jackson County, Wisconsin, United States. It is owned by the city of Black River Falls and Jackson County.

paragraph_text: Pokegama is an unincorporated community in Pokegama Township, Pine County, Minnesota, United States; along the Pokegama Lake. Its name in Ojibwe is "Bakegamaang", meaning "at the side-lake", referring to Pokegama Lake's position to the Snake River.

paragraph_text: Grassy Island is a small, uninhabited American island in the Detroit River. It is located just north of Grosse Ile and west of Fighting Island, about west of the Canada–United States border. The island is part of the city of Wyandotte, in Wayne County. The island is part of the Detroit River International Wildlife Refuge. Grassy Island should not be confused with Grass Island, which is an island of Ontario on the exact opposite side of the Detroit River.

paragraph_text: Pearce Ferry Airport is a public use airport in Mohave County, Arizona, United States. The airport is owned by the National Park Service. It is located north of the central business district of Meadview and east of Lake Mead's Gregg Basin.

paragraph_text: The United States Coast Guard Station Belle Isle is located on Belle Isle, Michigan, near Detroit and the mouth of the Detroit River.

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