Everywhere we go in rural New England, the past surrounds us. In the woods and fields and along country roads, the traces are everywhere if we know what to look for and how to interpret what we see. A patch of neglected daylilies marks a long-abandoned homestead. A grown-over cellar hole with nearby stumps and remnants of stone wall and orchard shows us where a farm has been reclaimed by forest. And a piece of a stone dam and wooden sluice mark the...