submerged ridge
41Hyman G. Rickover — Infobox Military Person name= Hyman George Rickover born= birth date|1900|1|27 died= death date|1986|7|8 died= placeofbirth= Maków Mazowiecki, Poland placeofdeath= Arlington, Virginia caption= nickname= Father of the Nuclear Navy allegiance=… …
42Chesapeake Bay — Coordinates: 36°59′45″N 75°57′34″W / 36.99583°N 75.95944°W / 36.99583; 75.95944 …
43Gairich — Infobox Mountain Name = Gairich Photo = Gairich from Quoich dam.jpg Caption = Gairich seen from the Loch Quoich dam. Elevation = 919 m (3015 ft) Location = Lochaber, Highland SCO Range = Northwest Highlands Prominence = 552 m Topographic OS… …
44continental landform — ▪ geology Introduction any conspicuous topographic feature on the largest land areas of the Earth. Familiar examples are mountains (including volcanic (volcanism) cones), plateaus, and valleys. (The term landform also can be applied to… …
45Axial Seamount — Exaggerated swatch bathymetry of Axial Seamount and the surrounding area. Summit depth …
46Tide — This article is about tides in the Earth s oceans. For other uses, see Tide (disambiguation). Tidal redirects here. For other uses, see Tidal (disambiguation). High Tide redirects here. For other uses, see High Tide (disambiguation) …
47heteropteran — ▪ insect order Introduction any member of the insect order Heteroptera, which comprises the so called true bugs. (Some authorities use the name Hemiptera; others consider both the heteropterans and the homopterans to be suborders of the… …
48Citico (Cherokee town) — Citico U.S. National Register of Historic Places …
49DSV Alvin — ALVIN redirects here. For other uses, see Alvin. Alvin in 1978, a year after first exploring hydrothermal vents. Alvin (DSV 2) is a manned deep ocean research submersible owned by the United States Navy and operated by the Woods Hole… …
50Massif — This article is about a geological formation. For the Valgrind tool, see Valgrind. The Face on Mars. In geology, a massif is a section of a planet s crust that is demarcated by faults or flexures. In the movement of the crust, a massif tends to… …
