for humminbird 597?
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for humminbird 597?
HB uses the Navionics or the Lakemaster maps...
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LakeMaster Lake Maps
Rickie
LakeMaster has very good maps but they generally only cover the northern states with a few exceptions,so presently they probably don't cover your area. That said remember Johnson Outdoors/Humminbird bought out Lake Master this past summer so I would for see a rapid expansion to many more states starting with the 2012 lineup.