This aquifer was named the Ogallala aquifer after the Ogallala Sioux Indians, who once inhabited the region.

这个含水层被命名为奥加拉拉含水层，以曾经居住在这个地区的奥加拉拉-苏族印第安人的名字命名。

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The aquifer rises especially close to the surface in the Sand Hills region in the north of the state, near Mrs Luebbe's ranch.

在该州北部的沙岗地区、吕伯的牧场附近，含水层尤其接近地表。

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The area is the largest contiguous cotton -growing region in the world and is heavily dependent on irrigation water drawn from the Ogallala Aquifer.

该地区是全球最大的连续棉花种植区域在世界，并严重依赖灌溉水取自奥加拉拉蓄水层。

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The proposed pipeline, which would carry 800, 000 barrels of oil each day from Alberta to Texas, would have passed through a major aquifer in the Sandhills region of Nebraska.

BBC: Keystone XL pipeline report 'raises no concern'