My "go to" patterns are as follows:
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<br>Moving water (streams and rivers) size 10-16 thorax adams with a flashback pheasant tail dropper
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<br>lakes and ponds: size 4-8 olive wooly booger with a bit of crystal flash, followed by a 10-14 prince nymph on some fairly quick sinking line.
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<br>These combos have caught me quite a few fish. I usually start wiht these and adjust as different bugs come off the water.