Aeroradiometric data for North America: 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.
| Aeroradiometric data | |
| Color composite | |
| Uranium | |
| Thorium | |
| Potassium | |
| Geographic reference | |
| OpenStreetMap | |
| Shaded relief | |
| US States | |
| US Counties | |
| US county names | |
| USGS map quadrangles | |
| Map quadrangle names | |
Need more? You can View, Download, and Understand this data source at https://MRData.usgs.gov/radiometric/.
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