Related by context. Frequent words. (Click for all words.) 50 Sago miners 48 Randal McCloy Jr. 48 MSHA 48 Sago Mine 48 breathing apparatus 47 NIOSH 47 Sago mine 46 McCloy Jr. 45 flammable gases 45 Randal McCloy 44 Aracoma 44 dosimeters 44 Darby Mine 43 oxygen canisters 43 PFDs 43 miners 43 respirators 43 inhaler 43 supplemental oxygen 43 mine 42 mines 42 oxygen cylinders 42 CO detector 42 Sago Mine disaster 41 Smoke detectors 41 thermal imager 41 coal mines 41 miner 41 Mine Safety 41 smoke detectors 41 trapped miners 41 Crandall Canyon mine 41 vertical shaft 41 Sago 41 coalmines 41 EPIRB 41 floatation devices 41 Sago Mine explosion 40 coal mine 40 rescuers 40 noxious gases 40 McCloy 40 intubated 40 extinguishers 40 lifejacket 40 protective clothing 40 coke ovens 39 oxygen tanks 39 longwall mining 39 coal seams 39 mine shaft 39 lifejackets 39 pulse oximeter 39 breathable air 39 contained breathing apparatus 39 Sago Baptist Church 39 shaft 39 flame resistant 39 spacesuit 39 compressed air 39 automatic external defibrillator 39 mine shafts 38 respirator 38 smoke detector 38 PPE 38 stope 38 Coal Mine 38 dragline 38 intubation 38 pneumoconiosis 38 Crandall Canyon Mine 38 longwall 38 dewater 38 oxygen masks 38 ActiveMine 38 carbon monoxide detector 38 silicosis 38 toxic gases 38 flotation devices 38 stopes 38 Sago mine disaster 38 protective gear 38 detector 38 ventilation 38 carbon monoxide 38 cannula 38 Crandall Canyon 38 Kerry Allred 37 spacesuits 37 submersible pumps 37 Neoprene 37 flotation device 37 CO alarms 37 coal seam 37 oxygen 37 ventilators 37 vests 37 poisonous gases 37 NDEP 37 coal miners 37 shafts