Columbia Heights Library, 3939 Central Ave. NE. For more information, call 763-706-3690 or visit chplmn.org. Registration required for most programs and opens 4 weeks in advance.  Mapping Prejudice and the History of Racial Covenants: Wednesday, Sept. 10, 5:30-6:30 pm. Rebecca Gillette, Community Engagement Lead, will provide an in-depth introduction to the Mapping Prejudice Project, an initiative based at the University of Minnesota Libraries. She will explore how racial covenants historically shaped housing policies and practices, laying the groundwork for systemic racial…