A resource for reliable information about significant people, places, events, and things in Minnesota history.
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.
Break in the tunnel at Saint Anthony Falls, 1869.
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.
Architect's c.1887 drawing of Goodsell Observatory, including a small floor plan. From American Architect and Building News, no. 601 (July 2, 1887).
Centralized hydroelectric power came on for the first time in the United States in downtown Minneapolis on September 5, 1882. Minnesota Brush Electric Company produced the power, beating a similar effort in Appleton, Wisconsin, by twenty-five days.
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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