In a recent interview with Michigan Public Radio, Professor Madeleine McLeester discusses a Dartmouth-lead study of an unexpectedly vast agricultural operation by ancestral Menominee farmers in Michigan's Upper Peninsula. The site features a raised ridge system of fields that dates from as early as the 10th century.
"We know very little about the technology behind these features. How were these ancestral Menominee farmers so succesful at growing corn this far north?" asks Professor McLeester. To hear the full interview, listen here.