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Horizontal cistern

216 bytes added, 22:28, 4 October 2012
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[[Image:Building a horizontal cistern.jpg|thumb|right|300px|Building a horizontal cistern]]
[[Image:roman cistern.jpg|thumb|right|300px|A Roman cistern back from a long time ago. Used as a water holding "tank". Photo: [http://www.danheller.com/images/Europe/Turkey/Lydea/Slideshow/img3.html DanHeller.com].]]
The horizontal cistern is a variation of the regular EMAS vertical design, more suitable for ground where it is not possible to dig deep.
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