River Thames shipping coming in and out of London, in 1732 it received the world's first lightship. This became a major landmark, and was used as an assembly point for shipping. Today it is marked by Sea Reach No. 1 Buoy. The River Thames contains over 80 islands ranging from the large estuarial marshlands of the Isle of Sheppey and Canvey Island to small tree-covered islets like Rose Isle in Oxfordshire and Headpile Eyot in Berkshire. They are found all the way from the Isle of Sheppey in Kent to Fiddler's Island in Oxfordshire. Some of the largest inland islands, for example
Fore River (Maine) Fore River (Maine) The Fore River is a short horn-shaped estuary, approximately long, separating Portland and South Portland in Maine in the United States. Many of the port facilities of the Portland harbor are along the estuary, which is formed just southwest of Portland by the confluence of several creeks. The estuary was initially known as Levett's River, so named by the first English settler of the Casco Bay region, Capt. Christopher Levett. But shortly afterwards, the estuary came to have the name by which it is known today. The Stroudwater River flows into the Fore River estuary. The Cumberland