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i think you might need to check your numbers there, 24 inches of ice?and it'll be difficult to find the fish just using your fish finder, they tend to sit down low in the weed where they blend right in with the bottom. if you don't see fish, drop a line and jig it about a foot off bottom. the active fish will come up to take a look at least.you'll be most likely to find fish in or near weeds, near some kind of structure or change in the lake. either one of the dams are good spots to try, on an inside bend, or if you can find a sandbar or hump somewhere there should be fish near it.if i'm not on fish within the first hour or two, i either radically change positions or set up dead sticks for cruising trout in about 15 feet of water.