Question: Where does the Snake River in the same state as Lakeville North High School start?

full_context: Document 1: 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 2: 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 3: Mississippi River: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. The stream is entirely within the United States (although its drainage basin reaches into Canada), its source is Lake Itasca in northern Minnesota and it flows generally south for 2,320 miles (3,730 km) to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and two Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.
Document 4: Middletown High School North: Middletown High School North, home of the Lions, is a four-year comprehensive public high school located in Middletown Township, in Monmouth County, New Jersey, United States, serving students in ninth through twelfth grades as one of the two secondary schools of the Middletown Township Public School District. Other students from Middletown Township attend Middletown High School South. The school also houses a 750-seat theater. Approximately 90% of North students attend college after graduation. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 1936.
Document 5: 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 6: Stillwater Area High School: Stillwater Area High School (SAHS) is a public school located in Oak Park Heights, Minnesota, and is part of the Stillwater Area Public Schools, District 834. As the oldest high school in Minnesota and the first accredited by the North Central Association (now known as AdvancED) in 1903, Stillwater Area High School claims a special sense of history.
Document 7: 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 8: Forest Lake Area High School: Forest Lake Area High School, also known as Forest Lake High School, is a public four-year high school in Forest Lake, Minnesota founded in 1909. The school is a member of Minnesota Independent School District 831 (Forest Lake Area School District). The school competes in the Suburban East Conference of the Minnesota State High School League
Document 9: 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 10: Lakeville North High School: Lakeville North High School (LNHS) is a public high school in northern Lakeville, Minnesota. Formerly Lakeville High School, LNHS received its current name when a second high school, Lakeville South High School, was built. Grades 9-12 attend the school, and its principal is Marne Berkvam.
Document 11: 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 12: 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 13: Winnacunnet High School: Winnacunnet High School is an American public high school located in Hampton, New Hampshire. It serves students in grades 9 through 12 who live in the communities of Hampton, Seabrook, North Hampton, and Hampton Falls. Students from South Hampton attend Amesbury High School. The name "Winnacunnet" is a Native American word that means "beautiful place in the pines". The current principal, since 2010, is William McGowan.
Document 14: Lakes International Language Academy: Lakes International Language Academy (LILA) is a language immersion school located in Forest Lake, Minnesota. It is a public charter school and therefore does not charge tuition, however there is an application for Kindergarten and the Upper School grades 6-12.
Document 15: Naperville North High School: Naperville North High School is a public four-year high school located at the corner of Ogden Avenue and Mill Street in the northern-central part of Naperville, Illinois, a western suburb of Chicago, Illinois, in the United States. It is the counterpart to Naperville Central High School of Naperville Community Unit School District 203. Naperville North contains more than 3000 students and over 250 certified staff members, with most of them having a master's degree or beyond. Naperville North is accredited to the Illinois State Board of Education and is a part of the Illinois Association for College Admission Counseling.
ground_truth: southern Aitkin County
sub_queries: What state is Lakeville North High School located? Answer: Minnesota
where does the snake river in Minnesota start Answer: southern Aitkin County