Subject
National Petroleum Reserve (Alaska)
12
Geology
8
North Slope (Alaska)
8
Petroleum
7
Foraminifera, Fossil
3
Micropaleontology
3
Paleontology
3
Borings
2
Geology, Stratigraphic
2
Botany
1
Colville River Watershed (Alaska)
1
Earth temperature
1
Gubik Formation (Alaska)
1
Killik River (Alaska)
1
Killik River Watershed (Alaska)
1
Petroleum Geology
1
Petroleum engineering
1
Petroleum engineering Cold weather conditions
1
Petroleum reserves
1
Petrology
1
Phosphates
1