Oil drilling has been going on around Prudhoe Bay, Alaska, since the mid-1970s.
Oil drilling has been going on around Prudhoe Bay, Alaska, since the mid-1970s. Scott Canon/Kansas City Star/MCT
Oil drilling has been going on around Prudhoe Bay, Alaska, since the mid-1970s. Scott Canon/Kansas City Star/MCT

Shell Oil drilling rig headed to Alaska's Arctic

June 28, 2012 6:53 AM