Mud Mountain Dam's granite tiles
Katie Garon, Richard Smith and Michael Swenson are photographed with granite tiles, which are staged to be installed to reinforce a tunnel at Mud Mountain Dam. Each of these tiles weigh about a thousand pounds. The tunnel is nearly 1800 feet long by about 9-ft wide, and these tiles are about 2-ft square.

Download Image: Full Size (0.06 MB)
Photo by: Courtesy Photo |  VIRIN: 170706-A-XX000-001.JPG