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HUMMINBIRD DIGITAL GPS MAPS: Great Plains Version 2

Click the Images below to see more detail or Click Here for a Video Demonstration from In Depth Outdoors.

Available Now!
The All New LakeMaster® Great Plains Humminbird Card
(formerly the Illinois/Iowa card) has high-definition accuracy & detail for some
of the best fishing water the Great Plains states has to offer. Combined with Humminbird's ground breaking side imaging sonar capabilities, this new card gives anglers advantages on the water like never before.

The new Great Plains chip is loaded with 279 total lakes with contours, of which 146 are high definition lakes displaying lake bottom in 1 foot contours for Illinois, Iowa, Kansas, Missouri and Nebraska.

Features on LakeMaster/Humminbird include:
1. Easy to read contours
2. Depth Highlight Range
3. Water Level Offset
4. Shallow Water Highlight
5. Scrollable Lake List

Great Lakes Coverage Includes:
-All of Lake Michigan in 5ft & 10ft contours.
-Green Bay, Big Bay De Noc, Little Bay De Noc, and Sturgeon Bay in 3ft contours.

Reservoir Creek Channels
Download the Product Lake List


Check to see if your GPS unit is compatible- GPS Compatibility List