Mill Hill Road runs the same whether it is June or January; only the work changes. H Houst & Son Inc. mows, trims and edges Woodstock lawns through the growing months and clears the cuttings as it goes, then turns to the plow once the weather does. Driveways and lots get pushed open, walks and steps get shoveled, and salt goes down where ice sets up in the shade of a hill. Cleanups in spring and fall mark the handoff between the two halves of the year. There is a plain pride in being the reason a car gets out of a Catskill driveway at six in the morning.