Kajian Sistem Penyaliran Tambang Bawah Tanah Pada PT Allied Indo Coal Jaya Sawahlunto Sumatera Barat: Underground Mining Dewatering System Review At PT Allied Indo Coal Jaya Sawahlunto West Sumatra. mineral 2021, 6 (2), 1-6. https://doi.org/10.33019/mineral.v6i2.3086.