U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo
U.S. Department of Energy: Ken Shipp/DOE Photo