Subject
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Overburden
1
Peat
1
Pillars
1
Planning
5
Policy
4
Potash
2
Quarries
3
Reclamation
53
Reclamation of land
13
Reforestation
3
Regulations
1
Rehabilitation
2
Remediation
2
Research and development
1
Restoration ecology
1
Revegetation
4
Rock mechanics
1
STATUTES
1
Safety
3
Salt
2
Salt marshes
1
Sand dune conservation
1
Sand dunes
5
Sands
1
Seals
1
Shore protection
5
Silver ores
2
Sodium
1
Soil conservation
1
Soil erosion
1
Soils
3
Storage facilities
1
Strip mining
8
Subsidence
3
Sulfides
9
Surface crown pillars
1
Surface mining
5
Sydney Coalfield, N. S.
1
Symposia
2
Tailings
7
Theses
1
Uranium ores
2
Vegetation
2
Waste disposal
10
Wastes
4
Water management
1
Water quality
1
Water treatment
1
Wetlands
1
White pine
1
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