Holman, Peter B.


Terrestrial radioactivity and gamma-ray exposure in the United States and Canada

Data generated by aerial sensing of radiation emanating from the earth's surface provides general estimates of the geographic distribution of Uranium, Thorium, and Potassium in surficial and bedrock units. Covers the conterminous United States, southeaste

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Terrestrial radioactivity and gamma-ray exposure in the United States and Canada

Flight-line databases and derived grids from aeroradiometric surveys across the US carried out during the 1970s

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