Early September in Brownstown Township means heavy dew on the grass at seven, mist sitting low over the Huron River bottoms toward New Boston, and oaks that have not yet thought about turning. Emerald Rich Lawns Inc works those cool early hours with mowing, string trimming and edging, the ordinary rhythm that keeps a lawn dense and even well into the fall. Deep soil and river air give the grass real color out here, and much of the job is simply not letting that get away from you. A yard cut on time, borders held tight, is the sort of thing neighbors notice without being able to say why. Brownstown Township and the Downriver communities around it are where the work goes.