Check out this story on USATODAY.com: <a href="http://usat.ly/1G2palQ">http://usat.ly/1G2palQ</a> The National Oceanic and Atmospheric Administration and other organizations told him that tearing down the dam and replacing it would not work, that it would not bring fish, blocked from spawning ground for 56 years by a metal wall, back to the area.