main river crappie fishing.i knew a old fellow who told 30 years ago about.it all changed when COE raised river with new locks.an it was not till retired an could spend the time find crappie.the old adage 90%of fish 10%of the water an the river is big ,strong current,on most years we have long periods of summer pool that is when you want try to find crappie need to have an understand sonar.it dose not have to be the best.now the easyest way to explain is to have you watch a video i saw by crappie monster.he is on this site .video is eliminate water.i cant hardly type,if it was not 10% today i dont think i would have taken 1 hour to do this but i like to share info.so watch video yuo will figure it out?it might not be abour river but same pricables apply.remember only parts of river will hold crappie.but they are their.good luck.if you can try down oround perry co lots of creeks .6 on indy side an 7 on ky side thats in 12 river miles.if you see a old man in a little boat in that area an it looks like he is creppie fishing take time an ask he might put you on some?