State territory — Parts of territory — Territorial sea — Delimit ation of seaward boundary of inland waters of State of Unite States — Convention on Territorial Sea and Contiguous Zone 1958 — Definition of coastline for purposes of Submerged Land Act 1953 — Whether dredged channels comprise inland waters — Measurement of territorial sea from low-tide elevations — Definition of bay — Effect of presence of islands on semicircl test — Whether headland of bay can be located on island — Status of water between mainland and chain of islands — Definition of historic bay — Adaptation of principles of international law to settlement of domestic controversy — The law of the United States