On the Bradford side of the Merrimack the day starts under river fog, and the lawns off the common hold their dew until nearly nine. Boynton's House & Yard Maintenance works those quiet hours — mowing, trimming, edging, and the general yard upkeep that keeps a house looking cared for from the sidewalk. Bradford's older streets run tight, with narrow strips of grass between porch and pavement, and neatness shows there faster than anywhere else in the city. A hand-trimmed line along a granite curb, a lawn cut before the heat comes up: small things that add up to a good-looking street. Haverhill notices things like that.