identification of geological features
81Natural History Museum — For other places with the same name, see Natural History Museum (disambiguation). This article is about the Natural History Museum, London. For others, see List of natural history museums. Coordinates: 51°29′46″N 0°10′35″W / …
82Chitinozoan — Temporal range: 489–358 Ma …
83Martian Gullies — First discovered on images from Mars Global Surveyor, Martian gullies may be the site of recent liquid water. Gullies occur on steep slopes, especially on the walls of craters. Gullies are believed to be relatively young because they have few, if …
84Troy — For other uses, see Troy (disambiguation). See also: Troad Coordinates: 39°57′27″N 26°14′20″E / 39.9575°N 26.23889°E …
85Washington, D.C. — This article is about the place. For the novel, see Washington, D.C. (novel). Washington, D.C.   Federal district   …
86Mammoth Mountain — from U.S. Route 395 Elevation 11,059 ft (3,371 m) …
87Parasaurolophus — Parasaurolophus …
88dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
89 Parasaurolophus — Parasaurolophus …
90New Jersey — This article is about the U.S. state of New Jersey. For other uses, see New Jersey (disambiguation). NJ redirects here. For other uses, see Nj (disambiguation) …
