Joe Wertz / StateImpact Oklahoma
A wind farm in western Oklahoma.
Construction started on the Keystone Gulf extension in 2012. Here, contractors bury as section of the pipe near Stroud, Okla.
Russ Allison Loar / Flickr
Originally published on Thu December 5, 2013 10:38 am
Paul L McCord Jr / Flickr
Originally published on Mon December 2, 2013 2:26 pm
A disposal well in northwest Oklahoma.
Originally published on Thu November 21, 2013 9:36 am
Originally published on Wed November 20, 2013 12:47 pm
Oklahoma Geological Survey seismologist Austin Holland.