Slavery in the Upper Mississippi Valley, 1787-1865

Although the passing of the Northwest Ordinance in 1787 banned African American slavery in the Upper Mississippi River Valley, making the new territory officially "free," slavery in fact persisted in the region through the end of the Civil War. Slaves accompanied presidential appointees serving as soldiers or federal officials in the Upper Mississippi, worked in federally supported mines, and openly accompanied southern travelers. Entrepreneurs from the East Coast started pro-slavery riverfront