From Main Street the hill runs down to the water at Steamboat Dock, and out over North Cove an osprey works the shallows all summer long. Smith Land Solutions keeps the green part of that picture in order — mowing on a rhythm, trimming along fences and foundations, edging the walks that lead toward the river. Spring cleanups clear whatever the winter blew in off the marsh; fall cleanups take the leaves before damp weather fixes them to the grass. Salt air is hard on a great many things, but a lawn cut well still looks like a lawn cut well. In Essex the ground between a house and the water is worth tending closely.