In total 59 samples (26 from eight coal mines from the Chakwal District (Basharat, Dalwal, Khajula, Wahali, Wahula, Pidh, and Dandot), 27 samples from five mines of Khushab area (including Munarah, Padhrar, Katta Karli, and Arara), and 6 samples from one mine of Makarwal (Mianwali) were selected for this study (Fig. 1 b). Samples were …Web