offshore  search
UFoff-lying
RTAMCOR
 continental shelf
 continental slope
 marine drilling
 petroleum
 production
 shorelines
 Continental Offshore Stratigraphic Test
 natural gas
 exploration
 Exclusive Economic Zone
 onshore
 Hibernia Field
 marine geology maps
 United States Exclusive Economic Z
SNAs of 1985, term is to be used for petroleum and natural gas exploration and production. Before 1989, search offshore Alaska if applicable.
offshore Alaska  search
SNNot a valid term for GeoRef. As of 1989, search Alaska AND offshore. For indexing purposes, use Alaska and offshore as two separate terms.