Uranium and radium-226 in Florida phosphate materials.
D001417:Background Radiation; D002617:Chemical Industry; D005431:Florida; D008906:Mining; D010710:Phosphates / Q000032:analysis*; D011883:Radium / Q000032:analysis*; D014501:Uranium / Q000032:analysis*
D010710:Phosphates; D014501:Uranium; D011883:Radium