> The Wallkill itself had no real path or bed, Snell explains, the meadows it flowed through were naturally dammed at one end by glacial boulders from the Ice Age, the whole place was clogged with “rank vegetation,” malarial pestilence, and tens of thousands of eels, and, what’s more, during flood season “the entire valley from Denton to Hamburg became a lake from eight to twenty feet deep.”<p>Sounds pleasant.