1. Oltu Earth Sciences Faculty, Department of Mining Engineering, Atatürk University, Erzurum, Turkey
2. Faculty of Sciences, Department of Physics, Ataturk University, Erzurum, Turkey
3. Faculty of Engineering, Department of Environmental Engineering, Ardahan University, Ardahan, Turkey
4. Faculty of Arts and Sciences, Department of Physics, Giresun University, Giresun, Turkey
5. Vocational School of Technical Science, Bitlis Eren University, Bitlis, Turkey