Evaluasi Kinerja Pemindahan Overburden Ditinjau Dari Produktivitas Alat Gali- Muat dan Alat Angkut di Front Kerja 2 TB 2.2 Tempilang Kabupaten Bangka Barat Mitra PT Timah (Persero) Tbk: (Performance Evaluation Of Overburden Removal Reviewed From Load Haulage Equipments and Conveyance Productivity in Work Front 2 of TB 2.2 Tempilang West Bangka Regency of PT Timah (Persero) Tbk’s Partner. (2020). MINERAL, 1(1), 43-50. https://doi.org/10.33019/mineral.v1i1.1608