Columbia subject headings:
Geological surveys--Alaska--National Petroleum Reserve.
Seismic profiling--Alaska--National Petroleum Reserve.
Seismic reflection method.
Harvard subject headings:
National Petroleum Reserve (Alaska)
Petroleum reserves--Alaska.
Petroleum--Prospecting--Alaska--National Petroleum Reserve.
Seismic prospecting--Alaska--National Petroleum Reserve--Data processing.
Seismic reflection method.
Princeton subject headings: