Williston_Oilboom_029 Tools line a wall of a drilling rig Image Info Dimensions: 667 × 1,000 Date: January 4, 2012 Camera: Canon EOS 5D Mark II Aperture: f⁄2 Focal Length: 35 mm ISO: 800 Shutter Speed: 1⁄160 sec Name: Williston_Oilboom_029.jpg Mime Type: image/jpeg Type: JPG Size: 513.01 KB