January squalls come over the Beartown ridge without much announcement — an inch an hour for three hours, then blue sky. LAWN AND SNOW LLC plows through them in Great Barrington, clearing driveways, opening parking areas, shoveling walks and steps, and laying down salt or sand wherever ice wants to settle in. Hill-town driveways are the interesting ones: pitched, curved, hemmed by stone walls, with only one right place to put the snow. Getting that decision right in November is why there is still somewhere to put February's. The measure of a night's work is a resident backing out at seven without a second thought.