Uranium distribution in sediments of the Safford and Duncan basins, southeast Arizona, and implications for indoor radon
Harris, R.C., 1994, Uranium distribution in sediments of the Safford and Duncan basins, southeast Arizona, and implications for indoor radon: Arizona Geological Survey Open-File Report 94-04, 11 p., 2 sheets, scales 1:24,000 and 1:100,000.