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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On rare occasion White Turquoise jewelry is made with Chalcociderite (a sister mineral to Turquoise) from the Badger Mine, New Landers Mine, Tortoise Mine, Peacock Mine, Prince Mine, Colorback Mine or one of the other Chalcociderite producing Turquoise mines in Nevada, USA.