Business U.S. Rep. Graves says rising costs will not slow Comite River diversion project By David Jacobs - June 29, 2023 FacebookTwitterLinkedinEmailPrint U.S. Rep. Garret Graves. (AP) The U.S. Army Corps of Engineers has committed to continuing work on the Comite River Diversion Project, even though the projected cost has approached $1 billion, U.S. Rep. Garret Graves says. Already an INSIDER? Sign in.