underground toponym A340, A356

toponym, underground | toponyme souterrain | topónimo subterráneo | топоним, подводный | 地下地名 Definition of 2007 → Toponym applied to a → topographic feature below the surface of the earth. Examples: metro Read More …

undersea feature 095, 357

undersea feature | accident géographique sous-marin | accidente submarino | подводный объект |مَعْلم مغمور | 海底地理实体 | Definition of 2002 A portion of that part of Earth that lies beneath the Read More …