This month's magazine

 

WorldWide Drilling Resource December 2014

This month's Editorial Focus is: What’s NEW for 2015?

 

 

Could this Tool Replace the Sledgehammer?

“For 50 or 60 years, we’ve been slinging sledgehammers all over the earth,”...             more

Geothermal Borehole Grouting Without Silica Sand

The Baltimore IGSHPA (International Ground Source Heat Pump Association) Technical Conference & Expo was a success,...             more


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