An aerial view of the Port of Longview, Washington in 2008. Nine workers at a paper mill in the city remained missing and two were dead in what Gov. Bob Ferguson warned would likely be the worst industrial disaster in the state’s modern history. (Wikipedia) By BILLY WITZ, CHRISTINE HAUSER, ALEXANDRA BERZON, ANNA GRIFFIN and CHRISTINE MORALES Nine workers at a paper mill in southern Washington state remained missing and two were dead earlier this week in what Gov. Bob Ferguson warned would…