Secretary of Labor v. Cumberland Coal Resources, LP, Docket Nos. PENN 2004-73-R, PENN 2004-74-R, PENN 2004-75-R, PENN 2004-85-R, PENN 2004-86-R, PENN 2004-87-R, PENN 2004-88-R, PENN 2004-104-R, PENN 2004-105-R, PENN 2004-181, and PENN 2005-8.