We have updated Minnesota lakes included in the US chart folio. The latest update includes HD (1ft bathy contours) for 1320+ lakes out of 1700+ supported lakes.
This includes 1ft contour cartography for Osakis, Cass, Leech, Mille Lacs, Kabetogama, Rush, Big Stone, Amelia, Pimushe, Pike Bay.
Minnesota lakes also include layers for boat ramps, aquatic vegetation and other POIs. You can find complete list of supported Minnesota lakes at the link below: