January nights in the Wallkill valley go glass-clear and hard, the fields silver, the back roads narrowing by the hour. D & W Landscaping is out in exactly that, headlights swinging across white driveways, plow down, working while the rest of the hamlet sleeps under quilts. Lots get opened, aprons get pushed back square to the road, and the piles go where they will not blind anyone backing out. By the time the first commuters warm their trucks, the way is already there for them. Snow removal, storm after storm, on the roads around Wallkill.