First ever release of USGS offshore arctic resource assessment - Gautier, Donald; Bird, Kenneth; Charpentier, Ronald; Grantz, Arthur; Houseknecht, David; Klett, Timothy; Moore, Thomas; Pitman, Janet; Schenk, Christopher; Schuenemeyer, John; Sorensen, Kai; Tennyson, Marilyn E. (Offshore, 2009)