TY - RPRT TI - U.S. Geological Survey 2002 petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA) AU - K. J. Bird AU - D.W. Houseknecht PY - 2002 DO - 10.3133/fs04502 UR - https://pubs.usgs.gov/publication/fs04502 ID - fs04502 ER -