You have now drilled down a level in the "deep map." This section of the base map shows the southerly course of the Saint Croix River and begins to move out into the flowages in Wisconsin. Click the "1840" button to see the information known to the rest of the world in about that year from Joseph Nicollet's "mother map." Click on an area to zoom in. Navigate using the arrows in the map margin.

This is the most northeastern of the present nine overlapping panels of the combined 1:250,000 maps. Future revisions will expand map coverage. For more information about the map see the lower left-hand frame.