Color barrier

"We’ve mapped more than 6,000 historic property deeds in Minneapolis that contain racial restrictions. We wouldn’t have been able to get this far this fast without this gift, which is helping pay for student research assistance."

—Ryan Mattke (left), head of the John R. Borchert Map Library, on the impact of Darby and Geri Nelson’s gift to the U of M Libraries for Mapping Prejudice, which shows how discriminatory covenants shaped Minneapolis neighborhoods.