Tourists visiting the Grand Canyon's museum collections building have been exposed to radiation for years, the Arizona Republic reports. A safety manager for the park says the exposure came from uranium rocks stored in buckets.
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Tue, 02/19/2019 - 9:05am
Tourists visiting the Grand Canyon's museum collections building have been exposed to radiation for years, the Arizona Republic reports. A safety manager for the park says the exposure came from uranium rocks stored in buckets.