mine foremen"s guide for open pit and auger mining by Ohio. Mine Examining Board.

Cover of: mine foremen

Published by The Dept. in Columbus .

Written in English

Read online


  • Mining engineering -- Examinations, questions, etc.,
  • Strip mining -- Examinations, questions, etc.

Edition Notes

Cover title.

Book details

StatementState of Ohio, Department of Industrial Relations, Mine Examining Board, Division of Mines.
LC ClassificationsTN151 .O36 1977
The Physical Object
Pagination90 p. :
Number of Pages90
ID Numbers
Open LibraryOL4377790M
LC Control Number78621689

Download mine foremen"s guide for open pit and auger mining

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Highwall mining is an adaptation of auger mining. Instead of an auger hole, an entry into the coal seam is made by a continuous miner, remotely operated from a cabin at the surface.

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This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mining. Open-pit mines are used when deposits of commercially useful ore or rocks are found near the surface.

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It looks like a man-made Grand Canyon of over 2, acres (8,1km²).

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