Great Lakes ITMB

The Great Lakes of United States and Canada on an indexed, double-sided map at 1:1,000,000 from ITMB. The map divides the region east/west with a small overlap between the sides and is orientated with the north-west at the top to provide coverage of this large region at a good scale, extending on the Canadian side to Ottawa in the east and in the US south to Columbus in Ohio on the eastern side and Peoria in Illinois on the western half.

Road network gives driving distances on interstate highways and selected connecting state roads; border crossings are clearly marked. Railway lines are included and domestic airports are marked. Within US county names and boundaries are shown. Symbols highlight various places of interest, including campsites and recreational areas. Topography is indicated by altitude colouring with spot heights in feet. National parks or other protected areas and Native American Reserves are highlighted. The map has latitude and longitude lines at 1° intervals. Each side has a separate index.