Lake Erie Western Basin Map, GPS Points, Waterproof Detailed Lake Map - #L127Lake Erie Western Basin Great Lakes Series Map - Detailed Lake Map - Waterproof - Depth Contours - Fishing Hot Spots - Structure - Boat Ramps - Fishing Info - GPS Points - 9"x6"x1/8" when folded - Fits in Tackle Box or Bucket if Ice Fishing - Map Number #L127 - UPC #071365..