ExxonMobil the Exxon Building (1251 Avenue of the Americas), its former headquarters in Rockefeller Center, to a unit of Mitsui Real Estate Development Co. Ltd. in 1986 for $610 million, and in 1989, moved its headquarters from Manhattan, New York City to the Las Colinas area of Irving, Texas. John Walsh, president of Exxon subsidiary Friendswood Development Company, stated that Exxon left New York because the costs were too high. On March 24, 1989, the Exxon Valdez oil tanker struck Bligh Reef in Prince William Sound, Alaska and spilled more than of crude oil. The Exxon Valdez oil spill was the
NEPCO 140 oil spill NEPCO 140 oil spill The NEPCO 140 Oil Spill took place in 1976 near Clayton, New York when the NEPCO 140 ran aground while traveling inland, spilling an estimated of oil into the Saint Lawrence River. On June 23, 1976, the tugboat "Eileen C" was pushing the NEPCO 140 barge, filled with crude oil, when it ran aground in the American Narrows, off Wellesley Island, in the Thousand Islands region. The Captain had not made a large enough adjustment to his course, when realizing the vessel was off-track in the thick fog.<ref name="Suspension_Revocation/Commandant_Decisions"></ref> Upon running aground, the barge ruptured two