Williston_Oilboom_016 A dead wolf in Williston, North Dakota Image Info Dimensions: 667 × 1,000 Date: January 3, 2012 Camera: Canon EOS 5D Mark II Aperture: f⁄4 Focal Length: 35 mm ISO: 800 Shutter Speed: 1⁄1,250.0 sec Name: Williston_Oilboom_016.jpg Mime Type: image/jpeg Type: JPG Size: 901.13 KB