Lyme keeps a common the valley knows by heart — the white church, the long row of horse sheds, the hill dropping away toward Post Pond. Echo Mountain Property Maintenance LLC tends the lawns of that town and the hill farms above it, mowing, trimming, and running the cleanups that open and close a Connecticut valley season. Up under Smarts Mountain the ground is stony and the grass is tough, which suits it fine. Cut even and edged clean, a Lyme dooryard looks the way it has always looked, and that is the entire idea. Quiet roads, kept lawns, ridgelines on three sides.