Article Photos: Cleanup area extends nearly 2 miles after ND spill 3/7

Environmental workers take samples to assess level of contamination, and surveyors measure size of affected area  at the site of saltwater spill Thursday, July 10, 2014, near Mandaree, N.D. A pipeline leak on Fort Berthold Indian Reservation spilled 1 million gallons of saltwater, a byproduct of oil and gas production. Company officials say the leak likely started over the Fourth of July weekend. (AP Photo/Tyler Bell)