Question: Where is the beginning of the Snake River, in the state where Walnut Grove in Little House on the Prairie is located?

full_context: Document 1: 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 2: 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 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: Little House on the Prairie (TV series): Little House on the Prairie Also known as Little House: A New Beginning Genre Western Drama Based on Little House on the Prairie by Laura Ingalls Wilder Developed by Blanche Hanalis Directed by William F. Claxton Maury Dexter Victor French Michael Landon Leo Penn Starring Michael Landon Melissa Gilbert Karen Grassle Melissa Sue Anderson Lindsay and Sidney Greenbush Matthew Laborteaux Richard Bull Katherine MacGregor Alison Arngrim Jonathan Gilbert Kevin Hagen Dabbs Greer Victor French Merlin Olsen Kyle Richards Dean Butler Linwood Boomer Shannen Doherty Theme music composer David Rose Composer (s) David Rose Country of origin United States Original language (s) English No. of seasons 9 No. of episodes 204 (+ 4 specials) (list of episodes) Production Executive producer (s) Michael Landon Ed Friendly Producer (s) John Hawkins William F. Claxton Running time 48 - 49 minutes Production company (s) Ed Friendly Productions NBC Distributor Worldvision Enterprises CBS Television Distribution (USA) NBCUniversal International Television Distribution (non-USA and Cozi airings) MGM Television (international) 2004 - Present Release Original network NBC Picture format NTSC Audio format Monaural Original release September 11, 1974 (1974 - 09 - 11) -- March 21, 1983 (1983 - 03 - 21) Chronology Preceded by Little House on the Prairie (film) Followed by Little House on the Prairie: A Look Back to Yesterday Related shows Father Murphy
Document 5: My Ántonia: The novel tells the stories of an orphaned boy from Virginia, Jim Burden, and the elder daughter in a family of Bohemian immigrants, Ántonia Shimerda, who are each brought as children to be pioneers in Nebraska towards the end of the 19th century. Both the pioneers who first break the prairie sod for farming, as well as of the harsh but fertile land itself, feature in this American novel. The first year in the very new place leaves strong impressions in both children, affecting them lifelong.
Document 6: 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 7: Little House on the Prairie (TV series): Little House on the Prairie Also known as Little House: A New Beginning Genre Western Drama Based on Little House on the Prairie by Laura Ingalls Wilder Developed by Blanche Hanalis Directed by William F. Claxton Maury Dexter Victor French Michael Landon Leo Penn Starring Michael Landon Melissa Gilbert Karen Grassle Melissa Sue Anderson Lindsay and Sidney Greenbush Matthew Labyorteaux Richard Bull Katherine ``Scottie ''MacGregor Alison Arngrim Jonathan Gilbert Kevin Hagen Dabbs Greer Victor French Merlin Olsen Kyle Richards Dean Butler Linwood Boomer Shannen Doherty Theme music composer David Rose Composer (s) David Rose Country of origin United States Original language (s) English No. of seasons 9 No. of episodes 204 (+ 4 specials) (list of episodes) Production Executive producer (s) Michael Landon Ed Friendly Producer (s) John Hawkins William F. Claxton Running time 48 - 49 minutes Production company (s) Ed Friendly Productions NBC Distributor Worldvision Enterprises CBS Television Distribution (USA) NBCUniversal International Television Distribution (non-USA and Cozi airings) MGM Worldwide Television Distribution (non-USA airings) Release Original network NBC Picture format NTSC Audio format Monaural Original release September 11, 1974 (1974 - 09 - 11) -- March 21, 1983 (1983 - 03 - 21) Chronology Preceded by Little House on the Prairie (film) Followed by Little House on the Prairie: A Look Back to Yesterday Related shows Father Murphy
Document 8: 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 9: Laura Ingalls Wilder: In 1894, the Wilder family moved to Mansfield, Missouri, and used their savings to make the down payment on an undeveloped property just outside town. They named the place Rocky Ridge Farm and moved into a ramshackle log cabin. At first, Wilder and her husband earned income only from wagon loads of fire wood they would sell in town for 50 cents. Financial security came slowly. Apple trees they planted did not bear fruit for seven years. Wilder's parents - in - law visited around that time and gave them the deed to the house they had been renting in Mansfield, which was the economic boost Wilder's family needed. They then added to the property outside town, and eventually accrued nearly 200 acres (80.9 hectares). Around 1910, they sold the house in town, moved back to the farm, and completed the farmhouse with the proceeds. What began as about 40 acres (16.2 hectares) of thickly wooded, stone - covered hillside with a windowless log cabin became in 20 years a relatively prosperous poultry, dairy, and fruit farm, and a 10 - room farmhouse.
Document 10: Little House on the Prairie: On the Banks of Plum Creek, published in 1937 and fourth in the series, follows the Ingalls family as they move from Pepin, Wisconsin to Kansas to an area near Walnut Grove, Minnesota, and settle in a dugout ``on the banks of Plum Creek (Redwood County, Minnesota) ''. In reality, the occurrences and anecdotes in the first book Little House on the Prairie took place after their return from Indian Territory. The Ingalls family left for their journey to Minnesota on Laura's seventh birthday, February 7, 1874. In this book, Laura is between the ages of seven to nine years old, which was chronologically correct.
Document 11: 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 12: 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 13: 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 14: Little House on the Prairie: Little House on the Prairie Front hardcover, first edition of the most frequently adapted volume (1935) Author Laura Ingalls Wilder Country United States Language English Publisher Harper & Brothers Published 1932 - 1943
Document 15: O Pioneers!: "O Pioneers!" tells the story of the Bergsons, a family of Swedish-American immigrants in the farm country near the fictional town of Hanover, Nebraska, at the turn of the 20th century. The main character, Alexandra Bergson, inherits the family farmland when her father dies, and she devotes her life to making the farm a viable enterprise at a time when many other immigrant families are giving up and leaving the prairie. The novel is also concerned with two romantic relationships, one between Alexandra and family friend Carl Linstrum and the other between Alexandra's brother Emil and the married Marie Shabata.
ground_truth: southern Aitkin County
sub_queries: where is walnut grove in little house on the prairie Answer: Minnesota
where does the snake river in Minnesota start Answer: southern Aitkin County