Practical coal-mining
Subtitle: a manual for managers, under-managers, colliery engineers, and others.
By: By George L. Kerr ... With numerous problems arising from colliery work and 755 figures and diagrams.
Edition: 5th ed., entirely rev., reset throughout, and enl.
Series: Lettered on cover: Griffin's mining series.
Publisher: C. Griffin & company, limited
Published: 1914
Place of publication: London
Language: eng
Number of pages: 778
Subjects: Coal mines and mining