title: Letter: Plutonium-239 contamination in the Denver area.
mesh_terms: D003120:Colorado; D011005:Plutonium / Q000032:analysis*; D011847:Radioactive Fallout / Q000032:analysis*; D012987:Soil / Q000032:analysis*
chemical_list: D011847:Radioactive Fallout; D012987:Soil; D011005:Plutonium