information about Coal mining field
Field Hierarchy
Parent | |||
---|---|---|---|
Chemistry 29.5M papers | Engineering 25.7M papers | Geography 13.4M papers | Organic chemistry 13.2M papers |
History 8.1M papers | Archaeology 7M papers | Waste management 1.6M papers | Coal 293k papers |
Current | |||
Coal mining 95.6k papers | |||
Child | |||
Coalbed methane 7,567 papers | Groundwater-related subsidence 4,629 papers | Underground mining (soft rock) 4,421 papers | Surface mining 3,972 papers |
Longwall mining 3,811 papers | Mine safety 3,750 papers | Rock burst 2,211 papers | Coal basin 1,797 papers |
Coal field 1,708 papers | Underground coal gasification 1,628 papers |
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History