A young fisherman pulls in a fish on the first day of the fishing season at Pine River Dam, May 11, 2013. Used with the permission of the Cass County Historical Society.

Pine River Dam and Power Plant, 1912 (C-LA-94). Used with the permission of the Cass County Historical Society.

Figure 1 of Herbert Sellner’s “Patent Application for Amusement Device,” filed with the US Patent Office on April 24, 1926. Sellner Patent Application for Amusement Device, Sheet 1, filed April 24, 1926. United States Patent and Trademark Office. Public domain.

Cover of the Ideal Lamp Company catalog, 1917. Sellner Collection, Rice County Historical Society, Faribault. Used with the permission of Rice County Historical Society.

Mahogany and tinned-iron patent model of a flour mill dust collector patented in 1879. The introduction of dust-collecting machines to flour factories greatly increased the safety of the milling process, preventing dust-ignited explosions like the one that destroyed Minneapolis' Washburn A Mill in 1878.

A worker inside Honeywell Corporation. Photograph by Olof Kallstrom for the Minnesota Geographic Society, 1978. Forms part of the Olof Kallstrom series of photographs from the Minnesota Historical Society’s City of Minneapolis documentary photography collection.

Native Americans mining pipestone at Pipestone Quarry, 1893. Pipestone has been mined by Dakota people in Minnesota for generations. Photographer: unknown.

Ojibwe wood mortar and pestle, a technology used to thresh wild rice.

Map of Canada, including parts of present-day Minnesota, created in Paris by the French cartographer Guillaume De Lisle in 1783. Mapping was a crucial technology for Europeans traveling across the North American continent looking to establish trade routes and relationships.