SUBJECT
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Mining engineering
18
Mining engineers
1
Mining geology
1
Mining industry
1
Mining industry and finance
1
Mining machinery
1
Mining machinery industry
1
Natural disasters
2
Oil industries
1
Operations research
1
Periodicals
1
Political aspects
1
Pollution
6
Pollution control equipment
1
Power resources
1
Price indexes
1
Public opinion
1
Quarries and quarrying
1
Reclamation of Land
1
Refuse and refuse disposal
1
Remote sensing
1
Research
2
Revegetation
1
Risk assessment
1
Safety measures
1
Sand and gravel industry
2
Social aspects
2
Societies, etc
2
Statistics
1
Sustainable development
5
Tailings (Metallurgy)
2
Tailings (Metalurgy)
1
Technological innovations
1
United States
1
Waste disposal
6
Water
2
Water supply
1
Women in sustainable development
1
Work environment
1
World politics
1
Year-books
1