National Geographic: David Hatfield, an Arkansas wildlife photographer and minister, rose before dawn on Monday and headed to Lake Conway.
Even though he had lived nearby for 25 years, Hatfield never knew of the threat now oozing near this 6,700-acre habitat 25 miles north of Little Rock, the largest game and wildlife commission reservoir in the United States.
"It surprised me that we had a pipeline here," he said.
But ExxonMobil's Pegasus pipeline has been buried here for more than six decades, quietly propelling...