Clouds bracket the edges of the scene, but the dark blue waters of the Atlantic Ocean show in the middle, and above them, a rippling, brownish-yellow river of ash.

云层围绕着图像边缘，而在中部，大西洋深蓝色的海水映出了这股波纹状，有点像棕黄色河流的火山灰。

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The coal ash settles out to the bottom, and the remaining water gets discharged, untreated, into the Missouri River.

煤灰沉入水底，而未经处理的水则就流入密苏里河中。

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Around the same time, a massive volcanic eruption in the Wrangell Mountains in Alaska occurred, blanketing the area in a layer of ash, up to a foot deep, called the White River tephra.

大致在同一时期，阿拉斯加州的弗兰格尔山脉出现了大规模的火山爆发，这个地区遂被深达一英尺的怀特河火山灰所覆盖。

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