Precolonial farmers thrived in one of North America’s coldest places
A laser eye-in-the-sky has uncovered vast, ancient farm fields in an unlikely place — the frosty forests of Michigan’s Upper Peninsula. Ancestors of present-day Menominee people, a federally recognized Native American tribe, grew maize and other crops in densely clustered earthen ridges from around 1,000 to 400 years ago, researchers report in the June 5…
