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The front abutment of a longwall face

✍ Scribed by J.R. Metcalf

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Effect of longwall length and working de

✍ A. I. Lager'; G. F. Avdeev; L. A. Shtan'ko; R. V. Karamyshev; S. M. Churakov 📂 Article 📅 1974 🏛 Springer 🌐 English ⚖ 169 KB

The increase of roof flaking in longwall

✍ O. Jacobi 📂 Article 📅 1966 🏛 Elsevier Science 🌐 English ⚖ 545 KB

The caving of the waste on longwall face

✍ P. Kenny 📂 Article 📅 1969 🏛 Elsevier Science 🌐 English ⚖ 944 KB

Behavior of a thick sandstone bed above

✍ V. Sikora; M. Trombik; Z. Gravic 📂 Article 📅 1978 🏛 Springer 🌐 English ⚖ 260 KB

The Faces of Terrorism || Front Matter

✍ Canter, David 📂 Article 📅 2010 🏛 Wiley-Blackwell ⚖ 173 KB 👁 2 views

Convergence of the roof and floor in lon

✍ A. Vervoort 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 434 KB 👁 1 views