The new LakeMaster Pro Maps Iowa/Illinois memory card is plug and play, which means you simply insert the chip into your Lowrance unit, turn it on, and the lakes automatically appear on your screen. It's that simple. The IA/IL memory card is loaded with an amazing 478 total lakes with contours, of which 34 are high definition lakes. Just a few of the highlights include: shallow water areas for all Pro Maps lakes, the Fox Lake Chain in amazing 6 inch contours, all of Lake Michigan in 5 and 10 foot contours, Green Bay (Sturgeon Bay, Big Bay De Noc, Little Bay De Noc) in 3 foot contours, and the Fox river from Depere to Little Rapids in 1 foot contours. The LakeMaster Iowa/Illinois title includes highly detailed road maps, thousands of points of interest, state and wildlife management areas, parks, hunting zones, and fast redraw and zoom levels to .03 miles.

The all new Lake of the Woods/Rainy Lake memory card title includes high-definition 1-foot contours for nearly all of Lake of the Woods. Included are new surveys of Whitefish Bay in high definition 1-foot contours and all of Lake Kabetogama in high definition 1-foot contours. The high definition detail covers all U.S. water and the southern half of Canadian water, from Big Narrows to Nestor Falls, Miles Bay, and Sabaskong Bay (750,000 surveyed acres total). The Woods/Rainy title also includes all of Rainy Lake* and the Rainy River (U.S. and Canadian water).

*Note that Redgut Bay, Black Sturgeon, and Rice Bay are not surveyed.

The LakeMaster Pro Maps Michigan memory card contains shorelines for 18,500 lakes, bays, rivers and ponds, including Lake Michigan, Lake St. Clair, Green Bay, and portions of Lake Huron and Lake Erie. 820 of these are named and contain bathymetry. 700 inland lakes are within the borders of Michigan, with 49 of those being super high-definition, surveyed lakes with 1'-to-3' depth contours. LakeMaster Pro Maps Michigan also includes coverage of 96 additional lakes in the adjacent states of Illinois, Indiana, Ohio and Wisconsin.

The LakeMaster Pro Maps Minnesota memory card contains shorelines for 25,000 lakes and ponds. 10,000 of these are named. 268 are Lowrance enhanced lake maps with detailed shoreline and depth contours, and many of these offer other features such as weed symbols, navaids, hazards, and more. 59 of the 268 enhanced lakes contain LakeMaster Pro high-detail surveyed depth contours.

The all new North and South Dakota memory card includes high-definition 1-foot contours for 15 lakes in North Dakota, South Dakota, and the SD/MN border.
New features include shallow water areas, the 0 to 15 foot range, using shaded areas. This feature makes finding or avoiding these critical areas easy. Devils Lake has also been updated with a new shoreline, points of interest, and contours for New Mill Bay. Additionally, this map card includes depth contours for Lake Sakakawea and 250 other lakes, public accesses, thousands of named lakes, detailed roads, highways and cities.

The LakeMaster Pro Maps Wisconsin memory card contains shorelines for 11,000 lakes and ponds. 6,000 of these are named. 246 are Lowrance enhanced lake maps with detailed shoreline and depth contours, and many of these offer other features such as weed symbols, navaids, hazards, and more. 58 of the 246 enhanced lakes contain LakeMaster Pro high-detail surveyed depth contours.