TY - RPRT TI - Bathymetry and selected perspective views of 6 reef and coastal areas in Northern Lake Michigan AU - Peter Barnes AU - Guy Fleisher AU - James V. Gardner AU - Kristen Lee PY - 2003 DO - 10.3133/ofr03120 UR - https://pubs.usgs.gov/publication/ofr03120 ID - ofr03120 ER -