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
Mary A. Whalen (tanker) Co.", a pivotal 1975 Supreme Court decision in maritime law after she ran aground in Rockaway Inlet in 1968. She was in active service until 1994. She was listed on the National Register of Historic Places in 2012. PortSide NewYork has more information about her in their e-museum Red Hook WaterStories. Mary A. Whalen (tanker) Mary A. Whalen, known as the "S.T. Kiddoo" from 1938 to 1958, is a historic oil tanker located in the Red Hook neighborhood of Brooklyn, Kings County, New York. She is the home of the non-profit PortSide NewYork, and the group runs programs aboard her.