The LakeMaster for Humminbird Pro Maps Dakotas memory card is plug and play, which means you simply insert the chip into your Humminbird unit, turn it on, and the lakes automatically appear on your screen. The North Dakota/South Dakota memory card is loaded with an amazing 250 total lakes with contours, of which 15 are high definition lakes. The 15 high definition lakes are: Big Stone Lake, Devils Lake, Traverse Lake, Bitter Lake, Cattail, Clear Lake, Enemy Swim Lake, Kampeska Lake, Kettle, Lynn Lake, Oahe Lake, Pickerel Lake, Roy Lake, Thompson Lake, and Waubay Lake. The complete list of lakes that are included in the LakeMaster for Humminbird Dakotas can be found on a separate list.

The Illinois/Iowa memory card is loaded with 200 total lakes with contours, of which 34 are high definition lakes. The high definition lakes include: Bluff, Carlyle, Shelbyville, Upper Gar, West Okoboji, West Okoboji, Coralville, Five Island, and Brushy Creek. The complete list of lakes that are included in the LakeMaster for Humminbird Illinois/Iowa can be found on a separate list. The LakeMaster for Humminbird Pro Maps Illinois/Iowa memory card is plug and play, which means you simply insert the chip into your Humminbird unit, turn it on, and the lakes automatically appear on your screen.

The LakeMaster for Humminbird Pro Maps Michigan memory card contains 715 total lakes with contours, including 85 high definition lakes. In addition, the featured Great Lakes coverage is:

• Saginaw Bay & St. Marys River - 3ft Contours
• All of Lake Michigan in 5ft & 10ft contours
• West Basin of Lake Erie - 3ft Contours
• Green Bay, Big Bay De Noc, Little Bay De Noc, and Sturgeon Bay in 3ft contours
• St. Clair River, Lake St. Clair, & Detroit River - 3ft Contours
• US Side of Lake Huron - 5ft Contours.

The complete list of lakes that are included in the LakeMaster for Humminbird Michigan can be found on a separate list. Also, maps showing the complete Great Lakes coverage included in the LakeMaster for Humminbird products are provided separately (note that this is a large file, 5.1 MB, so it's best to right click on the link and select "Save Target As..." or "Save Link As..." and view the file from your computer).

The LakeMaster for Humminbird Pro Maps Minnesota memory card is loaded with 1075 lakes with contours, of which 180 are high definition lakes. In addition, Great Lakes coverage featured in the LakeMaster for Humminbird Minnesota title is:

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

The complete list of lakes that are included in the LakeMaster for Humminbird Minnesota can be found on a separate list. Also, maps showing the complete Great Lakes coverage included in the LakeMaster for Humminbird products are provided separately (note that this is a large file, 5.1 MB, so it's best to right click on the link and select "Save Target As..." or "Save Link As..." and view the file from your computer).

Great Lakes coverage featured in the LakeMaster for Humminbird Wisconsin title is:

• Duluth Harbor, Superior Harbor, and St. Louis River in 1ft contours
• All of Lake Michigan in 5ft & 10ft contours
• Western Lake Superior in 3ft contours
• Green Bay, Big Bay De Noc, Little Bay De Noc, and Sturgeon Bay in 3ft contours.

In total, 285 lakes with contours, including 125 high definition lakes, are featured. The complete list of lakes that are included in the LakeMaster for Humminbird Wisconsin can be found on a separate list. Also, maps showing the complete Great Lakes coverage included in the LakeMaster for Humminbird products are provided separately (note that this is a large file, 5.1 MB, so it's best to right click on the link and select "Save Target As..." or "Save Link As..." and view the file from your computer).

The LakeMaster for Humminbird Pro Maps Woods Lake/Rainy Lake and Rainy River memory card includes high definition 1-foot contours for nearly all of Lake of the Woods, including all U.S. water, and Canadian water from Big Narrows south and east to Nestor Falls and north beyond Sioux Narrows including Whitefish Bay. It also features Rainy Lake (note that Red Gut, Black Sturgeon, and Rice Bays are not yet surveyed), all of the Rainy River (U.S. and Canada), and all of Lake Kabetogama in high definition 1-foot contours. The complete coverage area for the Woods Lake/Rainy Lake and Rainy River is shown separately.