Calculating coal reserves using the vertical section method can describe the condition of
deposits and overburden in each section. This study aimed to determine the direction of coal …

This research was conducted at one of the national companies engaged in coal mining. The
Mining Business Permit (IUP) area in Bulungan Regency, North Kalimantan Province, has …

Coal deposition results in the formation of continuous layers with specific thicknesses and
slopes. This study aimed to determine coal seams based on drilling data. The method …

Coal is a non-renewable energy source and has a role that almost competes with petroleum.
In this connection, it is necessary to explore and inventory coal resources. One of the …

Di Indonesia bencana yang sering terjadi merupakan bencana hidrometeorologi dimana
dari tahun ke tahun kejadian bencana selalu meningkat khususnya bencana banjir dengan …

The location of this research is on the slope of KM 88, 4, Mallawa District, Maros Regency
which is in a walanae formation composed of alternating sandstones, conglomerates, tuffs of …

The chemical composition of coal is almost the same as that of plant tissue, containing the
main elements of elements C, H, O, N, S, and P. An in-depth study of coal inorganic …

Abstract PT Grand Anugrah Jaya merupakan salah satu perusahaan yang melakukan
penambangan komoditas batubara di wilayah Kabupaten Tanah Bumbu Provinsi …

A force inside a pipe drains fluid from wells producing oil and natural gas. When the power
works exceed the pipe's maximum resistance limit, it will cause deformation in the line. This …

Berdasarkan analisis kondisi mitra sekolah terdapat beberapa permasalahan yang muncul
yaitu masih adanya taruna-taruni yang belum mengetahui cara penggunaan alat ukur …