borehole oil show
41Marcellus Formation — Stratigraphic range: Middle Devonian …
42permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
43Sago Mine disaster — wikinewshas|three articles on the accident * * *The Sago Mine disaster was a coal mine explosion on January 2, 2006, in the Sago Mine (pronEng|ˈseɪgoʊ) in Sago, West Virginia, USA near the Upshur County seat of Buckhannon. The blast and ensuing… …
441970 — This article is about the year 1970. Millennium: 2nd millennium Centuries: 19th century – 20th century – 21st century Decades: 1940s  1950s  1960s  – 1970s –  1980s   …
45global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
46Isle of Wight — Infobox England county name = Isle of Wight motto = All this beauty is of God status = Ceremonial Non metropolitan/Unitary county origin = region = South East England arearank = Ranked 46th area km2 = 380 adminarearank = adminarea km2 = adminhq …
47Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
48Dougal Jerram — Born 1969 (age 41–42) London, England Alma mater Cardiff University, University of Liverpool …
49Han Dynasty — 漢朝 ← 206 BCE–220 CE …
50EDTA — Chembox new Name = EDTA ImageFile1 = ethylenediaminetetraacetic.png ImageSize1 = 200px ImageFile2 = EDTA xtal 3D balls.png ImageSize2 = 200px ImageName2 = Ball and stick model of the EDTA molecule, in the zwitterionic form found in the solid… …
