This 1976 photograph shows lake seepage in an area of Lewis and Clark Lake in South Dakota.
Lewis and Clark Lake in South Dakota was part of a 1976 investigation on minimizing risks of vector-borne diseases in water resource developments. All water treatment plants must meet U.S. Environmental Protection Agency (EPA) standards.
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No guarantee is offered as to the accuracy of the images or descriptions contained here. Use this website at your own risk.
Some of the images on this website are in the public domain.