A bund consists of: an impervious bund wall or embankment surrounding the facility or tanks. an impervious floor within the bunded area. any joints in the floor or the wall, or between the floor and the wall.
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Turquoise Mountain and Bird's eye turquoise come from the same mine in Northwestern Arizona near the Kingman mine, Mineral Park Mining District. The mine was closed in the 1980's and has also been sold as Old Man Turquoise.. Turquoise Mountain turquoise is light to high blue with both webbed and non-webbed matrix.