Kent coastline of Kent is continuously changing, due to tectonic uplift and coastal erosion. Until about 960, the Isle of Thanet was an island, separated by the Wantsum channel, formed around a deposit of chalk; over time, the channels silted up with alluvium. Similarly Romney Marsh and Dungeness have been formed by accumulation of alluvium. Kent's principal river, the River Medway, rises near East Grinstead in Sussex and flows eastwards to Maidstone. Here it turns north and breaks through the North Downs at Rochester, then joins the estuary of the River Thames as its final tributary near Sheerness. The Medway is
Rochester & Genesee Valley Railroad Museum the railroads' presence, the depot has had several names. At first it was named Scottsville, for the nearby village. Once a railroad was built through Scottsville, the name of the depot was changed to Oatka, named for Oatka Creek, which flows into the nearby Genesee River. In 1902, the "State Agricultural & Industrial School," a school for troubled boys, relocated to the Town of Rush. When the current depot was constructed in about 1909, the name was changed to Industry, to reflect the small community that the School had created. The Rochester Chapter was founded in 1937, and by the