As the doctor prescribes, the deep eel is always dependable.
This early the fish will probably eat anything you chuck. Also, this early in the season the blue's may not be as prevelant as later.
Hi density line is always a good bet when the current is running hard.
I like to bring a bunch of old, butt ugly, beat up, rusty hook flies (some or all these criteria apply to all my flies) to feed to the blues.