The LakeMaster for Humminbird Pro Maps Dakotas/Nebraska 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, Nebraska memory card is loaded with an amazing 324 total lakes with contours, of which 94 are high definition lakes with down to one-foot contours. The high definition lakes include: 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/Nebraska can be found on a separate list.

The part number for the LakeMaster for Humminbird Pro Maps Dakotas/Nebraska memory card is HPDAKC2, version 2. The UPC number is 812942011590.

The Great Plains memory card is loaded with 279 total lakes with contours, of which 146 are high definition lakes. The high definition lakes include bodies of water in Illinois, Iowa, Kansas, Missouri, and Nebraska. The complete list of lakes that are included in the LakeMaster for Humminbird Great Plains can be found on a separate list. The LakeMaster for Humminbird Pro Maps Great Plains 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. Here's an image of the Reservoir Creek Channels, as it appears on the screen. In addition, the featured Great Lakes coverage is:

• Green Bay, Big Bay De Noc, Little Bay De Noc, and Sturgeon Bay in 3ft contours
• All of Lake Michigan in 5ft and 10ft contours.

The part number for the LakeMaster for Humminbird Pro Maps Great Plains memory card is HPILIAC2, version 2. The UPC number is 812942011606.

The LakeMaster for Humminbird Pro Maps Michigan/Great Lakes memory card contains 717 total lakes with contours, including 86 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
• Little Traverse Bay, Grand Traverse Bay
• Green Bay, Big Bay De Noc, Little Bay De Noc, and Sturgeon Bay in 3ft contours
• St. Clair River, Lake St. Clair - 3ft Contours
• All of Lake Erie and Detroit River in 1 ft Contours
• US Side of Lake Huron - 5ft Contours.

The complete list of lakes that are included in the LakeMaster for Humminbird Michigan/Great Lakes 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 part number for the LakeMaster for Humminbird Pro Maps Michigan/Great Lakes memory card is HPMIC2, version 2. The UPC number is 812942011613.

The LakeMaster for Humminbird Pro Maps Minnesota memory card is loaded with 1650 lakes with contours, of which 287 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).

The part number for the LakeMaster for Humminbird Pro Maps Minnesota memory card is HPMNC2, version 2.1. The UPC number is 812942011620.

The new Texas/Oklahoma LakeMaster for Humminbird chip is loaded with a total of 107 enhanced lakes with contours, including 39 high definition lakes. Also included is extensive coverage of the Gulf of Mexico. The complete list of lakes that are included in the LakeMaster for Humminbird Texas/Oklahoma LakeMaster Pro Map memory card can be found on a separate list. Also, maps showing the complete Gulf of Mexico coverage are provided separately.

The part number for the LakeMaster for Humminbird Pro Maps Texas/Oklahoma memory card is HPTXOKC1, version 1. The UPC number is 812942011637.

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, 319 lakes with contours, including 170 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 part number for the LakeMaster for Humminbird Pro Maps Wisconsin memory card is HPWIC2, version 2. The UPC number is 812942011644.

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 through Big Traverse and Sabaskong Bays North to Sioux Narrows and west beyond Deadbroke channel (750,000 total surveyed acres). It also features Rainy Lake (note that Black Sturgeon Bay is not yet surveyed), all of the Rainy River (U.S. and Canada), and all of Lake Kabetogama in high definition 1-foot contours. Also, Rainy Lake and Rainy River now include high-definition 1ft contours for Redgut and Rice Bay, and all of Lakes Namakan, Sand Point, and Crane. The complete coverage area for the Woods Lake/Rainy Lake and Rainy River is shown separately.

The part number for the LakeMaster for Humminbird Pro Maps Woods/Rainy memory card is HPWRC2, version 2.1. The UPC number is 812942011651.