The primary source of the Mississippi River on the edge of Lake Itasca
|Location||Itasca State Park, Clearwater County, Minnesota, US|
LAKE ITASCA Latitude and Longitude:
|Primary inflows||Nicollet Creek, Elk Lake outlet stream|
|Primary outflows||Mississippi River|
|Basin countries||United States|
|Surface area||1.8 sq mi (4.7 km2)|
|Average depth||20–35 ft (6–11 m)|
|Surface elevation||1,475 ft (450 m)|
Lake Itasca is a small glacial lake approximately 1.8 square miles (4.7 km2) in area. It is notable for being the headwaters of the Mississippi River, and is located in southeastern Clearwater County, in the Headwaters area of north central Minnesota. The lake is within Itasca State Park and has an average depth of 20 to 35 feet (6–11 m), and is 1,475 ft (450 m) above sea level.
The Ojibwe name for "Lake Itasca" is Omashkoozo-zaaga'igan (Elk Lake);  this was changed by Henry Schoolcraft to "Itasca", coined from a combination of the Latin words veritas ("truth") and caput ("head"),   though it is sometimes misinterpreted as "true head". It is one of several examples of pseudo-Indian place names created by Schoolcraft.
It is the primary source  of the Mississippi River which flows 2,340 mi (3,770 km) to the Gulf of Mexico; There are several tributaries that flow (most or all of the year) into the lake, one of which, by most modern definitions, as with the Nile River and Amazon River, would be considered the actual source, though less dramatic than the lake's outflow. Henry Schoolcraft identified Lake Itasca as the river's primary source in 1832. He had been part of a previous expedition in 1820 led by General Lewis Cass that had named nearby Cass Lake (which is downstream from Itasca) as the source of the river.
The western arm of the lake is fed by two streams on its south end. Nicollet Creek starts in a nearby spring. Another small stream leads into Itasca from Elk Lake, [Note 1] which in turn is fed by two other streams. The Ojibwa called Elk Lake and the stream Bekegamaag-zaaga'igan and Bekegamaag-ziibi (Sidelake Lake and Sidelake River), respectively.  In 1887 Williard Glazier promoted a campaign to consider Elk Lake, which he called Glazier Lake, as the true source of the Mississippi. Its longest tributary originates at Little Elk Lake, which is 100 ft (30 m) higher in elevation and 11 km upstream from the Lake Itasca outflow, at 47.158 N 95.224 W and in the Mississippi watershed.
Jacob V. Brower, a land surveyor and president of the Minnesota Historical Society, after spending five months exploring the lakes, claimed that the lakes and streams further south of Lake Itasca were not the true source of the Mississippi because they were "too small." Modern explorers and geographers, however, have used the tiniest trickles of water to determine the source of the Amazon, Nile, and other rivers. Brower was to campaign aggressively to save the lake from logging. On April 21, 1891, the Minnesota Legislature officially made it a state park by a margin of one vote. Brower is now called the "Father of Lake Itasca" and the visitor center is named in his honor.
The channel of the Mississippi as it emerges from the lake was bulldozed in the 1930s by the Civilian Conservation Corps, to create a more "pleasant experience" for visitors. The project included the draining of the surrounding swamp, the digging of a new channel, and the installation of a man-made rock rapids. Wading across the rapids in bare feet is a popular recreational activity for summer tourists.
The lake is home to the University of Minnesota's Itasca Biological Station and Laboratories campus, which offers summer courses and field research work year round. The campus was established in 1909  and is composed of cabins for the students and faculty, laboratories, classrooms, offices, a computer lab, and dining and recreational facilities. The campus also has WIFI in several buildings and within the cabins. The head of the biological station is Dr. Dave Biesboer.
When it was founded the Lake Itasca region was able to claim that it was the juncture of the three great habitats of North America: the Great Plains, the Deciduous Forest of the south, and the Coniferous Forest of the north. Remnants of all three may be observed in the park.
The unique geography of the Lake Itasca region has found its way onto the classical music concert stage. Composer Ferde Grofe depicted the birthplace of the Mississippi River and the Native Americans who reside there in his popular classical epic the Mississippi Suite.
LAKE ITASCA INFORMATION
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