Home > Term: back coming
back coming
(Scotland) Working away the pillars that are left when mining coal inby. Robbing pillars; back working.
- Jenis Kata: noun
- Industri / Domain: Pertambangan
- Kategori: Peratmbangan secara umum; Mineral mining
- Government Agency: USBM
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Penulis
- ed.young
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(Milwaukee, United States)