. . "Observations" . . . . "Databases" . . . . . "Contains final stack seismic data collected in the National Petroleum Reserve in Alaska between 1974 and 1980, as well as other supporting seismic data and information on wells drilled in the region between 1944 and 1981. Seismic data, velocity graphs, and location map images may be displayed on the user's terminal." . . . . "National energy research seismic library processed seismic data for 29 lines in the National Petroleum Reserve in Alaska" . . . . "National Petroleum Reserve (Alaska)" . .