Out and About, Photos Old wood and murky water April 13, 2013 Gary Wium Leave a comment By the edge of the Petaluma river at the “D” Street bridge, the old pilings show the scars of time and tide. Lens: Canon EF 24-105mm f/4L at 55mm. 1/30 at f/8, ISO 100. Canon 5DM3 down by the drawbridge.