Subject
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Offshore platforms
1
Oil
1
Open pit mining
1
PCB
1
Paleontology
1
Parks
2
Particle board
1
Particle board industry
1
Pipelines
1
Planning
4
Plantations
2
Pleistocene
1
Pollutants
1
Pollution
2
Pollution control
1
Potash
2
Precious stones
1
Production
2
Prospecting
1
Protected areas
1
Proterozoic
1
Public opinion
2
Pulpwood
1
Quarries
2
Reclamation
2
Recreation
3
Reforestation
2
Regulations
1
Resource management
4
Resource planning
1
Rivers
1
Road construction
1
Rock dusting
1
Rocks
1
Rubies
1
SURVEYS
1
Salt
1
Sands
1
Sandstone
1
Sedimentary basins
1
Sedimentary ores
1
Sedimentation
2
Sedimentology
1
Silica sand deposits
1
Silver ores
1
Silviculture
4
Social impacts
1
Soil survey
1
Soil surveys
4
Soils
3
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