...于犹他州和亚利桑那州交界处的鲍威尔湖是美国第二大人造水库（第一大水库是内华达州的米德湖），它淹没了格兰峡谷（Glen Canyon）位于大坝以北部分，又在湖区的边沿制造出众多大大小小的峡谷，湖岸线因此异常曲折，形状极不规则，其东北——西南走向长300余公里...
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1996年和2004年涌过格兰峡谷的洪水产生好坏参半的结果。
Floods were sent down the GrandCanyon in 1996 and 2004 and the results were mixed.
然而，自从四十年前建起格兰峡谷大坝，仅大峡谷上游唯有能从微小的、无坝的支流中收集到沉积物。
However, in the four decades since thebuilding of the Glen Canyon dam, just upstream of the Grand Canyon, the onlysediment that it has collected has come from tiny, undammed tributaries.
这是格兰峡谷的一部分，是紧靠格兰峡谷大坝的下游处。这个大坝位于美国亚利桑那州的科罗拉多河上。
A portion of Glen Canyon, just downstream of Glen Canyon Dam on the Colorado River in Arizona, United States.
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