A resource for reliable information about significant people, places, events, and things in Minnesota history.
Page from promotional booklet, A Mother's Manual, 1928, from Ralston Purina.
Magazine advertisement from Good Health magazine, July 1919, published by Dr. John Harvey Kellogg.
Assembly line at Ry-Krisp factory, Minneapolis, 1955.
Two men by a mixer, Ry-Krisp factory, 1949.
Ry-Krisp Company, 824-830 Sixth Avenue Southeast, Minneapolis, c. 1925.
In 1904, immigrant baker Arvid Peterson gave a Swedish-styled cracker a modern American name and introduced the country to Ry-Krisp. For decades, Minneapolis was the one and only location where the product was made.
A Barclay Brick and Tile Company locomotive pulls three railcars filled with clay from the Zumbrota factory's pit.
Miners at a Claybank pit near Goodhue fill steam-shovel buckets with clay, c.1910.
Red Wing Sewer Pipe factory employees with some of their wares stacked and ready for shipment, c.1910.
Miners pose next to a rural Goodhue County clay pit, c.1905.