Photograph of Richard DeWall. From the Pioneers of the Medical Device Industry in Minnesota Oral History Project.
Rochester cyclone. Photo by Charles A. Tenney, August 21, 1883.
Rochester State Hospital's buildings and grounds, undated. Reproduced in Rochester: Mecca for Millions (Marquette Bank and Trust, 1979), page 231.
Rocks dropped from loaded barges into the water, Duluth ship canal c.1900.
Rocky Ridge Farm in Mansfield, Missouri. Photographed on June 24, 2011 by Wikimedia Commons user TimothyMN.
Rolette (standing) with business associates Henry Hastings Sibley (right), and possibly Franklin Steele (left), c.1857.
The roller coaster crew, with a view of the tracks, c.1906.
Wildwood Amusement Park, c.1915.
The Scenic Railway (a roller coaster) at Wonderland, from above, c.1906.
Photograph of the police station at the intersection of Rondo Street and Western Avenue in St. Paul, c.1900.
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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