TY - RPRT TI - 2010 Petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA): GIS play maps AU - Christopher P. Garrity AU - David W. Houseknecht AU - Kenneth J. Bird PY - 2011 DO - 10.3133/ofr20111099 UR - https://pubs.usgs.gov/publication/ofr20111099 ID - ofr20111099 ER -