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In addition to being the deepest human-made hole on Earth, Kola Superdeep Borehole SG-3 was, for almost three decades, the world's longest borehole in measured depth along its bore, until surpassed in 2008 by a hydrocarbon extraction borehole at the Al Shaheen Oil Field in Qatar. [3]
The Xiaozhai Tiankeng has been well known to local people since ancient times. Xiaozhai is the name of an abandoned village nearby and literally means "little village", and "Tiankeng" means Heavenly Pit, a unique regional name for sinkholes in China.
Nullarbor Links [1] [2] is an 18-hole par 72 golf course, said to be the world's longest, situated along 1,365 kilometres of the Eyre Highway along the southern coast of Australia in two states (South Australia and Western Australia), notably crossing the Nullarbor Plain at the head of the Great Australian Bight.
the longest boreholes (Extended Reach Drilling, for oil production). Pages in category "Deepest boreholes" The following 7 pages are in this category, out of 7 total.
That’s 480 feet deeper than the previous record holder, the Sansha Yongle Blue Hole, aka the Dragon Hole, in the South China Sea, which measures 990 feet to the bottom.
This list of deepest mines includes operational and non-operational mines that are at least 2,224 m (7,297 ft), which is the depth of Krubera Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.
Known as Dean’s Blue Hole, this geological wonder located off the coast of Long Island is a staggering 663 feet deep, making it one of the deepest blue holes in the world and also an area ripe ...
Scientists plan to explore Dean’s Blue Hole, one of the deepest blue holes, using advanced technology to uncover its mysteries and potential human remains. Scientists Are Planning on Plunging ...