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02 PETROLEUM
2
03 NATURAL GAS
2
ALASKA
2
ARCTIC OCEAN
2
FEDERAL REGION X
GEOLOGIC DEPOSITS
2
ICE
2
ICEBERGS
2
MINERAL RESOURCES
2
NATURAL GAS DEPOSITS
2
NORTH AMERICA
2
PETROLEUM DEPOSITS
RESEARCH PROGRAMS
2
RESOURCE DEVELOPMENT
2
RESOURCES
2
SEAS
2
SURFACE WATERS
2
SURVEYS
2
USA
54 ENVIRONMENTAL SCIENCES
1
AGE ESTIMATION
1
BEAUFORT SEA
1
CHEMICAL REACTIONS
1
CHUKCHI SEA
1
COASTAL REGIONS
1
CORIOLIS FORCE
1
CORROSION
1
DATA BASE MANAGEMENT
1
DIMENSIONS
1
DOCUMENT TYPES
1
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