LAKE MICHIGAN BATHYMETRY (GLIN)--
Contour lines, 2006 (Source scale unknown)
This layer is part of National Oceanic and Atmospheric Administration (NOAA)
project designed to compile Great Lakes bathymetric data and make them readily
available to the public. Bathymetric contour interval is 5 meters.
FGDC Metadata: Lake_Michigan_Bathymetery

This layer is available for download from the
Great Lakes Environmental Research Laboratory.