I've been reading your forum for awhile now, thought I'd join with a few questions I have about my pond. I found your forum while searching for information on pond spillways. My pond goal is "fishing recreation", specifically brook trout. My pond is bottom and surface spring fed, it was approximately 30yrs old and was filling in with reeds and grass...I had it dug out last week. It filled back up in about 5 days. It is now about 8 - 10 feet deep, fairly steep banks, heavy clay soil. Not a very big pond, roughly 55' long by 40' wide (2200sqft). I'm using a small rip-rap spillway for overflow. The surface spring end remains open year round, it gurgles so I'm assuming it will feed the pond oxygen. My main questions are:

1. Suggestions for bank stabilization grasses in clay soil in a northern climate (similar to Maine USA).
2. Advice on trout survival under a frozen pond. Personal experience advice would be great.

Thanks!