Thames Estuary The new airport would be built on a man-made island in the estuary north of Minster-in-Sheppey There is also some discussion about the need for a Lower Thames Crossing in order to alleviate traffic congestion at Dartford. The Thames Estuary is the focal part of the 21st-century toponym, the "Thames Gateway", designated as one of the principal development areas in Southern England. The appellation Greater Thames Estuary applies to the coast and the low-lying lands bordering the estuary itself. These are characterised by the presence of mudflats, low-lying open beaches and salt marshes, namely the North Kent Marshes and the
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