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.
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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