Quote:
Originally Posted by EZM
Keep in mind that the Navionics charts are general contours - not accurate for the purposes of defining drop off with any reasonable accuracy.
It will show you generally how steep the drops are, where there might be structure etc.... and certainly don't go blasting around an unknown lake with hazards trusting the data on the card.
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Very good point, I learned that the hardway on Lac St.Anne the one year, hit a rockpile with my prop on the west side.