Editing Extremes on Earth (section)

====Lowest artificial points====
* <!-- Kola borehole is drilled straight down; new borehole length records were mostly horizontal -->The '''lowest point underground''' ever reached was {{cvt|12262|m}} deep (SG-3 at the [[Kola Superdeep Borehole]], which has since been enclosed).
* The '''lowest human-sized point underground''' is {{cvt|3900|m}}<ref name="TauTonaExtended">{{cite news |title=TauTona, Anglo Gold – Mining Technology |url=http://www.mining-technology.com/projects/tautona_goldmine/ |publisher=SPG Media Group PLC |date=1 January 2009 |access-date=2 March 2009}}</ref> below ground at the [[TauTona Mine]], [[Carletonville]], South Africa.
* The '''lowest (from sea level) artificially made point with open sky''' may be the [[Hambach surface mine]], Germany, which reaches a depth of {{cvt|293|m}} below sea level.
* The '''lowest (from surface) artificially made point with open sky''' may be the [[Bingham Canyon Open Pit Copper Mine]], [[Utah]], United States, at a depth of {{cvt|1200|m}} below surface level.
* The '''lowest point underwater''' is the {{cvt|10685|m}}-deep (as measured from the [[subsea]] [[wellhead]]) [[oil well|oil and gas well]] drilled on the [[Tiber Oil Field]] in the [[Gulf of Mexico]]. The [[wellhead]] of this well is an additional {{cvt|1259|m}} underwater, for a total distance of {{cvt|11944|m}} as measured from sea level.<ref name="Transocean Release">{{cite web|url=http://www.deepwater.com/fw/main/IDeepwater-Horizon-i-Drills-Worlds-Deepest-Oil-and-Gas-Well-419C151.html |title=Transocean's Ultra-Deepwater Semisubmersible Rig Deepwater Horizon Drills World's Deepest Oil and Gas Well |publisher=Transocean |access-date=7 June 2010 |url-status=dead |archive-url=https://web.archive.org/web/20100426171257/http://www.deepwater.com/fw/main/IDeepwater-Horizon-i-Drills-Worlds-Deepest-Oil-and-Gas-Well-419C151.html |archive-date=26 April 2010}}</ref> {{Coord|28.736667|N|88.386944|W|display=inline}}