NOAA National Geophysical Data Center (1999). „Bathymetry of Lake Erie and Lake Saint Clair”. NOAA National Centers for Environmental Information. doi:10.7289/V5KS6PHK.
NOAA National Geophysical Data Center (1999). „Bathymetry of Lake Huron”. NOAA National Centers for Environmental Information. doi:10.7289/V5G15XS5.
NOAA Great Lakes Environmental Research Lab; NOAA National Ocean Service; Canadian Hydrographic Service (1996). „Bathymetry of Lake Michigan”. NOAA National Centers for Environmental Information. doi:10.7289/V5B85627.
NOAA National Geophysical Data Center (1999). „Bathymetry of Lake Ontario”. NOAA National Centers for Environmental Information. doi:10.7289/V56H4FBH.
National Geophysical Data Center (1999). „Global Land One-kilometer Base Elevation (GLOBE), version 1”. National Geophysical Data Center, NOAA. doi:10.7289/V52R3PMS.
„Great Lakes Map”. Michigan Department of Environmental Quality. Архивирано из оригинала 26. 11. 2011. г. Приступљено 27. 11. 2011.
noaa.gov
ngdc.noaa.gov
National Geophysical Data Center (1999). Bathymetry of Lake Superior. National Geophysical Data Center, NOAA.
(the general reference to NGDC because this lake was never published, compilation of Great Lakes Bathymetry at NGDC has been suspended).