The historic sites and nearly pristine estuary of the Piscataqua region represent a mixture of heritage and nature unparalleled in New England. They are worth preserving. For centuries the Piscataqua region was an extended maritime community connected by the Great Bay Estuary, the short seacoast of New Hampshire and southern Maine, and the seven tributary rivers that fortify the Piscataqua River itself. Moving water shaped the region--under its vessels,...