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Mapping data
US and State Borders, The Great Lakes:

Made with Natural Earth. Free vector and raster map data @
naturalearthdata.com.
Canadian and Provincial Borders, Locales, Lakes & Roads

Data sourced from
Natural Resources Canada
Ontario Watercourses

Data sourced from
geo.ca, the definitive source for Canada’s open geospatial information.
Making it work...
Contains information licensed under the
Open Government Licence – Canada and under the
Open Government Licence – Ontario.