You can click on the campsites, portages, lakes, and points of interest on the map to go to their respective pages. To see the point of interest on a fully interactive map, click on the "View on Interactive Map" link found below.
This site has been used to measure the water level of Basswood Lake since 1926. Current and historical water levels can be found at https://waterdata.usgs.gov/monitoring-location/05127500/. It's especially interesting to compare this year's level and flow to last year's on the same graph.