@CNN: For nearly 2 decades, Grand Canyon tourists were exposed to radiation beyond the federal limit, safety manager says https://t.co/mEwiojfFC8 https://t.co/MR1fGjGJd6

February 21, 2019 / The Arbiter / CNN

@CNN: For nearly 2 decades, Grand Canyon tourists were exposed to radiation beyond the federal limit, safety manager says https://t.co/mEwiojfFC8 https://t.co/MR1fGjGJd6

For nearly 2 decades, Grand Canyon tourists were exposed to radiation beyond the federal limit, safety manager says https://t.co/mEwiojfFC8 pic.twitter.com/MR1fGjGJd6

— CNN (@CNN) February 21, 2019

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