A nor'easter finds Harwich from the water first — the sound goes white, the wind gets a voice, and the snow arrives sideways with salt in it. S & L Tree Services runs snow through nights like that: plowing driveways, opening walkways, sanding and salting where wind-packed drift turns to glass by morning. Storms of that sort never finish politely; they need a return trip once the plow banks have rebuilt themselves. The trucks go back out anyway, because a cleared drive at daybreak is the only version that counts. Late winter on the Cape is long, and that is exactly why the work stays steady.