Maps

I’m looking to do more fishing on the Mississippi this year.So I have a silly question. I would like to get a map of pool 5a and 5 with a fair amount of detail. Where is the best place to go and what exactly am I looking for?

http://www.mvr.usace.army.mil/NavCharts/UMRNavCharts.asp

Also thanks to Jeremy Crawford:

http://www.umesc.usgs.gov/aquatic/bathymetry/viewable.html

You after walleyes, bass, catfish, or ‘other’?