Cal-Sag Canal Diptych Posted on November 22, 2010September 25, 2018 by david.kennedy Portrait diptych: Brett Witte, left, and Heather Calkins, right, on the bow of the US Fish & Wildlife Service's electro-shocking boat on Oct. 7, 2010 on the Cal-Sag Channel, south of Chicago, Ill. | Canon 5D Mk. II and 85mm f/1.2L II lens Share this:PrintTweet