mrhookup Posted November 30, 2016 Posted November 30, 2016 Navionics+ Chip (http://www.cabelas.c...io...cs&CQ_st=b) purchased in May and currently has all of the Great Lakes and the surrounding states loaded on it, this will give you 1' contours, I'll update again before shipping with whatever cross section of area in the US you want validated by picture. $150 shipped
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