Evaluation of Radiological Hazards associated with some selected mining sites (ie Gadaeragi (GR), Maiwayo (MW) and Kataeragi (KR)) in Niger State, Nigeria was carried out using Nal (TI) Gamma ray spectroscopy. The results shows average activity concentration for 238U, 232Th, 40K site are 8.05 ± 0.14 Bq/kg, 14.60 0.30 Bq/kg 20.62 14.62 respectively. result 232Th to be 12.03 0.17 17.89 0.32 151.1...