For nearly 2 decades, Grand Canyon tourists were exposed to radiation beyond the federal limit
February 21 2019, 08:00
Uranium ore stored at the Grand Canyon National Park museum may have exposed visitors and workers to elevated levels of radiation, according to the park's safety, health and wellness manager.
Uranium ore stored at the Grand Canyon National Park museum may have exposed visitors and workers to elevated levels of radiation, according to the park's safety, health and wellness manager.
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