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Published June 26, 2013, 12:00 AM

Workshops in the Autonomous Tractor Co. research facility


The workshops in the Autonomous Tractor Co. research facility at St. Michael, Minn., are busy with a variety of projects. Some are welding parts for the grain transport, which has to be done by late July for a fair. Others are working on electronics. Some are volunteers, retired from related professions in their 70s, working for expenses. Photo taken June 24, 2013. (Agweek/Mikkel Pates)
Read the article: 'Outside the box'