This section of the merged map base for this level shows the southerly flow of the Mississippi and Saint Croix Rivers and the northern fringes of the metropolitan area. Click the "1840" button to see the information noted on Joseph Nicollet's "mother map." Click on an area to zoom in. Navigate using the arrows in the map margin.

This is the north central area of the present nine overlapping panels of the base map. Future revisions will expand map coverage. For more information about the map see the lower left-hand frame.