Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Vertical magnetic noise in the voice frequency band within and above coal mines

Published Year

• 1980-1989 (1) *

Subject

• Coal mines and mining--Communication systems (1) *
• Electromagnetic noise (1)
• Voice frequency (1)

Author

• Durkin, John. (1)

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010