Every Chesapeake neighborhood has its own way of looking at the water. Each is just as unique in how it lives with the Bay and its tributaries. One way or another, communities along about a third of Maryland’s 4,360 miles of tidal shoreline must manage erosion to keep their waterfronts. At the extreme, in neighborhoods on Calvert County’s prehistoric clay cliffs, erosion brings homes ever closer to the edge. Yet holding back the tide means destroying the habitat of the...