Related by context. Frequent words. (Click for all words.) 52 opencast mine 48 subsidence 47 geological 47 colliery 46 opencast mining 45 Colliery 44 coalmining 44 opencast 43 geology 42 coalfield 42 landslips 41 collieries 41 overburden removal 41 Barapukuria 40 Collieries 40 geologists 40 landslip 40 gravel extraction 40 coal seams 40 mining 40 Macraes 40 Preesall 39 Subsidence 39 coalmines 39 Coppabella 39 geologic 39 rockfalls 39 geotechnical engineers 39 mineral extraction 39 Quarrying 38 Spinifex Ridge 38 seismicity 38 hydrogeological 38 biogeochemical 38 highwall 37 beneficiation plant 37 earth tremor 37 coal seam 37 effluent disposal 37 geotechnical 37 UG2 37 #.#Mtpa 37 Murrin Murrin 37 coal 36 silts 36 magnetite iron ore 36 Hanson Aggregates 36 great crested newts 36 monsoonal rains 36 Ovoot Tolgoi 36 quarry 36 brickworks 36 groundwater aquifers 36 coal mining 36 geotechnical drilling 36 alluvial mining 36 uneconomic 36 rockfall 36 Mmamabula 35 chimney stacks 35 limestone quarry 35 Etango Project 35 Snohvit 35 hydrogeologic 35 metallurgical characteristics 35 hydrogeology 35 open pittable 35 Canning Basin 35 Forrestania 35 deglaciation 35 quarries 35 peatland 35 tonnages 34 geological interpretations 34 Pohokura 34 tailings dams 34 quarrying 34 Herts Highways 34 #.#mtpa 34 earth tremors 34 moorlands 34 hydrothermal activity 34 marine sediments 34 seismic activity 34 numerical modeling 34 Quarry 33 Froneman 33 uphole 33 Marcellus shale formation 33 ancient woodland 33 groyne 33 dolomite 33 CAMPAIGNERS fighting 33 methane 33 lignite mining 33 Ambatovy 33 extraction 33 Quadra FNX 33 hydro electric dam 33 glacial retreat 33 tailings dam