Related Clues:

• River Tapti in the middle probably is!
• Obscure surgeon breaking a verbal suspension of hostilities
• Silly stab at trick that's hard to understand
• The profound work of Benchley
• __ South
• Profound river pilot's leader
• Knowing one of the ways Wenceslas found the snow
• Ocean is River Plate's source
• River gentle but not shallow
• River leading quietly to the sea
• Sea-bass
• Going down in the main
• & 3 & 5 Plunging into lower parts of the ocean
• Esoteric sailor's call for ceasefire
• Heartfelt couple of notes associated with old record