Uttarkashi: Tunnel drilling work halts after obstruction
The rescue team using a high-performance American auger drilling machine to save workers trapped in a tunnel in Uttarkashi encountered a roadblock when the machine encountered an obstruction. In addition, a team of experts from Delhi arrived at the site to conduct a geophysical survey using ground penetrating radar and seismic reflection methods. The Uttarkashi district administration also disclosed that there were 41 trapped workers, not 40 as previously thought.
from Times of India https://ift.tt/qd8Hux1
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