topo map

[fisherman 57]

Would like to find good bottom detail & depth, I be leave maps might have numbers the farther you go east or west. WESTERN LAKE ontairo. Niagara to Olcott. Thanks for any kind of help.  GOOD topo MAP

[zackblain]

http://www.navionics.com/en/webapp

[Has Been]

If you want to see some good bottom map w/ detail, google Bathmetry of Lake Ontario. Check out the crater  at Charity  Shoal. Pretty Cool.

[Mortigan]

Looks like maps 14805 and 14806: http://www.charts.noaa.gov/OnLineViewer/GreatLakesViewerTable.shtml