Swamp drill rig
Drill rig used to manuevre and install monitoring wells in the wetland
Originally uploaded in A Civil Action - The Woburn Toxic Trial:Resource Collections.
Image 8171 is a 375 by 562 pixel JPEG
Last Modified: 2007-02-01 06:44:51
Permanent URL: http://serc.carleton.edu/download/images/8171/usgs_treaded_drill_rig.jpg
The file is referred to in 1 page
- USGS Activities
U.S. Geological Survey file photo
This item is in the public domain
and maybe reused freely without restriction.