Karr v. Hefner Date Filed: February 2nd, 2007 Citations: 475 F.3d 1192, 64 ERC 1481, 37 Envtl. L. Rep. (Envtl. Law Inst.) 20036, 64 ERC (BNA) 1481, 2007 U.S. App. LEXIS 2312 Docket Number: 05-7105