Lakemaster 6000151  Digital GPS Electronic Fishing Chart - Great Lakes  - Michigan, Indiana, Ohio, Kentucky)
LakeMaster digital GPS fishing map for your Humminbird GPS unit.  LakeMaster's high-definition accuracy and detail combined with Humminbird's ground breaking side imaging sonar capabilities will give anglers advantages on the water like never before.  LakeMaster's accuracy and detail give you a serious edge by providing unmatched views of what's below or what's up ahead.  From easy-to-read contours to depth highlight range to scrollable lake lists, you'll have what you need to make your time on the water more productive.