Connecting drill stem to the top head drive on the USGS Research Rig

Connecting drill stem to the top head drive on the USGS Research Drilling program’s rig.

Detailed Description

Connecting drill stem to the top head drive on the USGS Research Drilling program’s rig.

Details

Image Dimensions: 3872 x 2592

Date Taken:

Location Taken: VA, US

Credits

David L. Nelms, USGS