Welcome back to the new NEFF. Take a break from Twitter and Facebook. You don't go to Dicks for your fly fishing gear, you go to your local fly fishing store. Enjoy!
WB, I have two of them on my desk, they are definitely for nymphs, maybe spinners too but I wouldn't say small nymphs only. Things size 10 or larger might not fit so well but those are sizes I don't use that much.
Where's the bulk AK? That's funny. I understand why someone would like the Richardson in theory but I think they are so uncomfortable.
April 8th? You would have to stay on the west branch between deposit and ale eddy. When the river is boundary water between Pa and ny, the river is not open to fishing until Pa opens which April 16
According to that information on BWO, you can fish for trout on the main stem or west branch from "October 16 through the Friday preceding the first Saturday after April 11" as long as you don't keep any.