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Miyor Pratama Coal, Desa Kumanis Atas Kec. Talawi, Sawahlunto Sumatera Barat (Analysis Stability Of Slope in Pit B Miyor Pratama Coal Accompany, Kumanis Atas Village, Talawi Regency, Sawahalunto, West Sumatera) Refky Adi Nata1, Alexander1 ... CV. AME (Air Mata Emas). 3. Sebelah Timur berbatasan dengan IUP OP.