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Oily Footprint Photograph by Joel Sartore
The future of the North Slope may increasingly look like this BP facility at Prudhoe Bay, where crude gets processed before being sent through the Trans-Alaska Pipeline. The largest petroleum field ever discovered in North America, Prudhoe peaked in 1987 with an output of 1.6 million barrels a day. Now production has fallen to a quarter of that figure. Hoping to stem this loss, the industry is expanding west into the unprotected wilderness of the National Petroleum Reserve-Alaska.
Camera: Nikon F5 Film Type: Fujichrome Velvia Lens: Nikon 17-35mm f/2.8 Speed and F-Stop: 1/125 @ f/5.6
Weather Conditions: Sunny Time of Day: 7 p.m. Lighting Techniques: Natural light