RE:RE:On the Kitco news feed today
According to their plans only portions of the lake would be affected, the rest would be sealed off with cofferdams. And to find answers to your questions, the usual studies are have to be made. For example, the fishery study was positive.
If your questions could be answered, do you believe you could buy that cheap?
Springpole has a well defined deposit, but it's not permitted yet and is a very high risk/reward investment. I'd suggest to look somewhere else, if you are not after like high risk investments with explorers. It's probably THE most risky and volatile sector in the markets.