Figure 2. Mean annual background radiation and the mining site represented with site code

From

Determination of Ionizing Radiation Exposure Levels within Four Local Mining Sites Selected from Sardauna Local Government Area of Taraba State - Nigeria

T. J. Ayua, A.A. Tyovenda, I.S. Igyuse, O.P. Ejegwoya

International Journal of Physics. 2017, 5(5), 157-161 doi:10.12691/ijp-5-5-3