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Suranga

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[[Image:suranga construct.png|thumb|right|200px|Dug out soil being transported out. At the far end is the mouth of suranga where the water will flow out. This suranga, already 150 feet in length, is yet to strike water. The light beam is sun-rays reflected from a mirror from outside. Additionally, candle light is also used. Photo: [http://indiatogether.org/suranga-environment--2 India Together]]]
This article is referenced from the one found on Wikipedia, called [http://en.wikipedia.org/wiki/Suranga Suranga].
Suranga (also Surangam or thurangam) (English: Tunnel well) is a traditional water management system used to provide a reliable supply of water for human settlements and irrigation in Kasargod district of Kerala and Dakshin Kannada district of Karnataka, India. A suranga is basically a horizontal tunnel dug in the slope of a laterite hill for about 30 metres (98 ft) to 40 metres (130 ft), which uses gravitational force for extraction of the underground water and collect into a storage tank. As both the areas are covered by uneven and steep laterite hill which makes boring of traditional bore well hard and expensive, surangas are considered as a relatively cheap option.
===Acknowledgements===
* Wikipedia, [http://en.wikipedia.org/wiki/Suranga Suranga]. Find full references for this article on Wikipedia.
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