Question: Where does the Snake River start in the state where The Geometry Center is located?

full_context: Document 1: 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 2: 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 3: 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 4: American Institute of Mathematics: The American Institute of Mathematics (AIM) was founded in 1994 by John Fry, co-founder of Fry's Electronics, and located in the Fry's Electronics San Jose, California location. Privately funded by Fry at inception, in 2002, AIM became one of eight NSF-funded mathematical institutes.
Document 5: Center for the Study of Science Fiction: The Center for the Study of Science Fiction is an endowed educational institution associated with the University of Kansas in Lawrence, KS, that emerged from the science-fiction (SF) programs that James Gunn created at the University beginning in 1968. The Center was formally established through an endowment in 1982 as a focus for courses, workshops, lectures, student and international awards, a conference, fan groups, and other SF-related programs at the University of Kansas.
Document 6: Packet switching: The National Science Foundation Network (NSFNET) was a program of coordinated, evolving projects sponsored by the National Science Foundation (NSF) beginning in 1985 to promote advanced research and education networking in the United States. NSFNET was also the name given to several nationwide backbone networks operating at speeds of 56 kbit/s, 1.5 Mbit/s (T1), and 45 Mbit/s (T3) that were constructed to support NSF's networking initiatives from 1985-1995. Initially created to link researchers to the nation's NSF-funded supercomputing centers, through further public funding and private industry partnerships it developed into a major part of the Internet backbone.
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: Geometry Center: The Geometry Center was a mathematics research and education center at the University of Minnesota. It was established by the National Science Foundation in the late 1980s and closed in 1998. The focus of the Center's work was the use of computer graphics and visualization for research and education in pure mathematics and geometry.
Document 9: 3D Center of Art and Photography: The 3D Center of Art and Photography is an American nonprofit educational institution in Portland, Oregon that opened in 2003. It was the first museum in the United States dedicated to stereoscopy. From 2003 to 2011, the Center was located in a small leased storefront on NW Lovejoy Street that presented exhibits open to the public. The Center closed its doors to the public on December 31, 2011, due to poor economic conditions and increased rent on its leased premises. The Center is currently engaged in an ongoing fundraising campaign to move to a location that will accommodate large groups of visitors.
Document 10: 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 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: 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 13: Core Research Center: The Core Research Center is a facility run by the United States Geological Survey, located in "F" bay in building 810 on the Denver Federal Center campus. It is maintained by the USGS to preserve valuable rock cores, well cuttings and various other geologic samples for use by scientists and educators from government, industry and academia. The CRC is open to the general public for core viewings or tours of the facility by appointment only. The CRC houses the largest collection of rock cores and well cuttings in the nation.
Document 14: GIS and RS (University of Pune): The Remote Sensing and Geospatial Information System training centre is located in University of Pune, India's premier institute for graduate and post graduate courses. The courses offered for GIS and RS here are held under the Department of Geography.
Document 15: 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.
ground_truth: southern Aitkin County
sub_queries: In which state is The Geometry Center located? Answer: Minnesota
where does the snake river in Minnesota start Answer: southern Aitkin County