Related by context. Frequent words. (Click for all words.) 58 borehole 55 mine shaft 51 Endurance Crater 50 Cabeus 50 stope 49 auger drilling 49 shaft 48 Elandsrand mine 48 coal seam 48 rover Spirit 48 trapped miners 47 ventilation shaft 47 drillhole 47 holes drilled 47 Borehole 46 cavern 46 Chile Atacama Desert 46 Geological mapping 46 Reverse circulation 46 Zasyadko mine 46 Lac Herbin 46 magma chamber 46 Melanie Hennessey 46 drill rig 45 surface trenching 45 Modder East 45 adit 45 mineshaft 45 mineralized interval 45 rock outcrop 45 Ulyanovskaya mine 45 heap leach pad 45 ventilation shafts 45 RAB drilling 45 Rover Opportunity 45 stopes 45 icecap 44 orebody 44 Atacama desert 44 miners 44 Victoria Crater 44 Wangjialing mine 44 graben 44 updip 44 hangingwall 44 peridotite 44 intermediate casing 44 rescuers 44 rockfall 44 crater rim 44 Opportunity rover 44 underground workings 44 No.2 reactor 44 spokeswoman Amy Louviere 44 Infill drilling 44 glacial till 44 coffer dam 44 sulphide ore 44 wireline logs 43 mine 43 drill holes 43 alluvium 43 mineralized intercepts 43 volcanic vent 43 soil geochemical sampling 43 lowermost 43 Chile Atacama desert 43 kimberlite pipe 43 Ming Mine 43 geochemical soil 43 Santa Juana 43 trench dug 43 open pittable 43 geological modeling 43 radiometric surveys 43 underground cavern 43 RC drill 43 bulk sampling 43 haematite 43 trench 43 diatreme 43 Baomahun 43 Promontorio 43 hole DDH 43 crater 43 Raspadskaya mine 43 infill drilling 42 trapped Chilean miners 42 breccia zone 42 Mars rover Opportunity 42 Kumtor mine 42 wireline logging 42 longwall 42 miner 42 UG2 42 mineralized envelope 42 breccia pipe 42 vertical shaft 42 infill holes 42 Sougarret 42 infill drill