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Analisis Metode Penggalian Batuan Menggunakan Metode Pembobotan Pada Tambang Batupasir Kecamatan Loa Janan Ilir Kota Samarinda Provinsi Kalimantan Timur
(Prodi S1 Teknik Pertambangan FT Unmul, 2021-06)
Excavation methods are influenced by material characters especially its strength of rock. To determine rippability level
of a mass rock, so necessary to doing study of field investigation such are collecting data structure, ...