Remember meForgot password?
    Log in with Twitter

2014-05-22 16:29:38

Oil drilling rigs are heavy, as can be seen in this photo taken on August 18, 2011 of the raising of the stern of a Bakken oil derrick.

Image uploaded by Karen Graham
Featured In
News Jan 28, 2016 - Microbes used to increase hydrocarbon recovery
Personal Albums Oct 31, 2013 - Environment