Accidents in Mines in the North Staffordshire Coalfield Arising from Falls of Roof and Sides : Their Causes, and the Means of Diminishing Their Frequency
Subtitle: with Detailed Sections of the Workable Seams and an Account of the System of Timbering in Vogue
Publisher: Creative Media Partners, LLC
Published: 2018
Language: eng
ISBN-13: 9781378388884