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Gold Mine Wastewater Turns River Yellow

Wastewater from an abandoned gold mine continues to drain into a Colorado river, causing it to turn to a mustard-yellow hue. According to the U.S. Environmental Protection Agency, the wastewater contaminated with heavy metals such as cadmium, arsenic, copper, lead and zinc is leaking into the river at a rate of more than 2,000 liters per minute. EPA workers were conducting a cleanup of Colorado's Gold King Mine when they accidentally breached a debris dam Wednesday, causing nearly...

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