Lake Michigan

The data

Dataset

NOAA NCEI Bathymetry of Lake Michigan (DEM 264)

Originator

NOAA National Centers for Environmental Information

Survey

1996 compilation of 600,000+ soundings (1903–1996), 3 arc-second grid

License

U.S. Government work (no copyright)

Bathymetry: NOAA National Centers for Environmental Information. Land topography: USGS 3DEP. · source

Depths referenced to Low Water Datum (176.0 m IGLD85). Mid-lake contours interpolate between real but widely spaced sounding tracks.