Electronic Chart Wisconsin

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The Humminbird LakeMaster Wisconsin Edition, Version 5 Map Card boasts an impressive total of over 1130 lakes with more than 190 lakes in high definition.

Hummingbird has added over 760 lakes or updated lakes including 19 high definition surveyed lakes, some of which include these highly requested water bodies:

Dubay, Marathon
Eau Claire chain of lakes (Upper, Middle, Lower)
Hayward, Sawyer
Namakagon, Bayfield
Silver, Waushara

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
Western Lake Superior in 3ft contours
Duluth Harbor, Superior Harbor, St. Louis River and Fox River in 1ft contours