I was just going to say, I've never stayed there, all I did was to look up RV campgrounds around Mt. Vernon, IL. Looks like you got some input from Dick1142 though and he HAS stayed there.
2016 F350 Crew Cab Dually Diesel King Ranch 4x4
2018 Grand Design Momentum 394M Toy Hauler
Excessive Payload Capacity is a Wonderful Thing!