Photographer Explores Line Where the Frontier Began<p>In "Dirt Meridian," Andrew Moore documents the historical U.S. boundary between the East and West.</p>Sears Roebuck No. 52, Rockfaced Wizard, Sheridan County, Nebraska, 2013Andrew Moore / Courtesy of the artist and Yancey RichardsonLink copiedJan. 31, 2014, 7:35 PM UTC / Updated Feb. 6, 2014, 3:18 PM UTC