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Big Stone County

37 Second Street Northwest
320-839-6198

History
Big Stone County is situated on the western border of the State almost midway between the north and south boundaries. It has Traverse County and a part of Stevens County on the north, Stevens and Swift Counties on the east, Lac qui Parle County and the Minnesota River on the south, and the Minnesota River, Big Stone Lake and the State of South Dakota on the west. The county has a total area of 522 square miles of which 31 are water.Big Stone Lake on the western edge of the county, and Lake Traverse, just north of it, lie in the valley channeled by the River Warren which, toward the close of the last glacial epoch, flowed from glacial Lake Agassiz. The part of the ancient watercourse between these two lakes, a distance of five miles, is called Brown’s Valley. (This valley forms the lowest point of a continental divide.) The waters of Lake Traverse reach Hudson Bay through the Bois de Sioux River, the Red River of the North, Lake Winnipeg, and the Nelson River. The drainage from Lake Traverse reaches the Gulf of Mexico through the Minnesota and Mississippi Rivers.The greater part of Big Stone County is a rolling prairie of till plain with a clay loam soil dotted with several small lakes. A morainic belt in the northwestern part of the county leads southward near Beardsley to Big Stone Village, where it continues on the South Dakota side of the lake re-entering Minnesota in the southern part of Big Stone County is mainly to the Minnesota River except in the northeast corner of the county where it tends toward the Mustinka River and through the stream to the Red River of the North.The natural drainage lines are imperfect and are supplemented by large ditches that have been dug along highways. Part of the Minnesota Valley in the county is too wet for cultivation. Ledges of granite are found in the valley not far from Big Stone Lake. There are also many boulders.Big Stone Lake is 26 miles long and from one to one and a half miles wide. Although called a lake, it is really a widened part of the Minnesota River. There were more than 50 lakes in the county in the early eighties but many have dried up, and recent maps show only a few. The largest are Artichoke and Toqua. The Minnesota River, rising in the coteau of western South Dakota, enters the State of Minnesota near Browns Valley village, flows into Big Stone Lake at its northern end and out of the lake at the southern extremity.