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National Geophysical Data Center, 1999. Bathymetry of Lake Huron. National Geophysical Data Center, NOAA. doi:10.7289/V5G15XS5 [access date: 2015-03-23]. (only small portion of this map)
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"About Our Great Lakes: Tour". National Oceanic and Atmospheric Administration (NOAA), Great Lakes Environmental Research Laboratory (GLERL). Archived from the original on மே 7, 2017. பார்க்கப்பட்ட நாள் December 15, 2017.