Break in the tunnel at Saint Anthony Falls, 1869.
The rapids of Saint Anthony Falls in 1869, as they appeared before the break in the tunnel.
John L. Merriam, c.1865, one of the primary people responsible for the tunnel project.
Bridge Square, Minneapolis, with the electric light mast at center, c.1884.
Lower section of the electric light mast at Bridge Square, Minneapolis, c.1883.
Description: Stone Arch Bridge, 1884.
Image of original 1878 astronomical observatory (at right).
Interior of Goodsell Observatory, showing its new telescope, 1891. Photographer: John Runk.
Made possible by the Arts and Cultural Heritage Fund through the vote of Minnesotans on November 4, 2008. Administered by the Minnesota Historical Society.
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