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Some information from an investigation on methods of confining cardox blasting devices in boreholes in certain coal mines

Ground-resistance measurements of drill-hole casings

Published Year

• 1940-1949 (2)

Subject

• Boring (2) *
• Blasting (1)
• Coal mines and mining (1)
• Earth resistance (Geophysics) (1)
• Oil well casing (1)

Author

• Griffith, F. E. (2) *
• Gleim, E. J. (1)
• Seeling, C. H. (1)

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