title: 210 PoO 2  movement in a mountain watershed soil.
mesh_terms: D000327:Adsorption; D000531:Altitude; D003120:Colorado; D004787:Environmental Pollution; D005579:Fossil Fuels; D008433:Mathematics; D010087:Oxides; D011059:Polonium; D012987:Soil; D014878:Water Pollution, Radioactive; D014881:Water Supply; D014887:Weather
chemical_list: D005579:Fossil Fuels; D010087:Oxides; D012987:Soil; D011059:Polonium