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It would help if ya could post a map or tell us what lake.I would look for 10-15' humps or islands out near the middle or deeper areas and see if there is any vegetation, but be careful you might accidentally snag a Wallie.
Thanks for the feedback.I think i will target perch on another lake there's plenty of them around.
Try the local bait shop. You'll hear some tall stories but i've found some to be half true. Also try a sportsman guide. Some times it gives some good spieces info.