uranium mining engineering 26 history 18 mining 12 mineral deposits 7 radioactive pollution of ecosystems 6 intermetallics 5 more ... deep mining 4 transition metals 4 radioisotopes 4 environmental remediation 4 environmental pollution 4 inorganic chemistry 3 mine water 3 nuclear energy sources 3 nuclear power stations 3 metals 3 crystal lattice 3 magnetic moment 3 magnetism 3 environment protection 3 nuclear reactors fuel elements 3 radioactivity 3 radioactive metals 3 landscape recultivation 3 health harmful substances 3 chemical preparation processes 2 difractometry 2 hydrides 2 nuclear safety 2 less ...