Rochester, Kent the Blackheath Beds of sand and gravel. As a human settlement, Rochester became established as the lowest river crossing of the River Medway, well before the arrival of the Romans. It is a focal point between two routes, being part of the main route connecting London with the Continent and the north-south routes following the course of the Medway connecting Maidstone and the Weald of Kent with the Thames and the North Sea. The Thames Marshes were an important source of salt. Rochester's roads follow north Kent's valleys and ridges of steep-sided chalk bournes. There are four ways out of
Salmon Falls River Salmon Falls River The Salmon Falls River is a tributary of the Piscataqua River in the U.S. states of Maine and New Hampshire. It rises at Great East Lake, Newichawannock Canal, and Horn Pond and flows south-southeast for approximately , forming the border between York County, Maine, and Strafford County, New Hampshire. The Salmon Falls River joins the Cochecho River near Dover, New Hampshire to form the Piscataqua River. It provides hydroelectric power at the New Hampshire towns of Milton, North Rochester, East Rochester, New Hampshire, Somersworth, and Rollinsford, and in Maine at Berwick and South Berwick. The final three