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(Click for frequent words.) 62 mine shaft 62 mineshafts 58 mines 54 shafts 54 coal mines 53 mine workings 52 mineshaft 51 vertical shafts 50 adits 50 mine 50 disused mines 49 highwalls 49 coalmines 49 tailing piles 49 coal mine 49 miners 49 tailings piles 48 Engineer Husnu Unal 48 Poisonous gases 48 Shinkolobwe 48 tunnels 48 caves 48 coal seams 48 ventilation shafts 47 quarries 47 subsidences 47 collieries 47 underground workings 47 mine tailings 47 miners entombed 47 limestone caverns 47 unfinished Wangjialing mine 46 Harmony Elandsrand mine 46 asbestos contaminated vermiculite 46 caverns 46 escapeways 46 stopes 46 breccia pipes 46 Mountaintop removal coal 46 shaft 46 slag piles 46 tailings dams 46 Huayuan mine 46 Great Noligwa 46 slag heaps 45 trench collapses 45 mining 45 mountainous Benguet province 45 Kafue River 45 colliery 45 mined 45 tailings pile 45 Meikle mine 45 tailings dumps 45 highwall 44 Xinjing mine 44 Mufulira copper 44 conical dome 44 silica dust 44 crystal chandeliers silk 44 Shinkolobwe mine 44 Cerro Rico 44 manholes 44 Mponeng mine 44 Driefontein mine 44 trapped miners 44 anthracite mines 44 rodent burrows 44 El Tajo 44 Gold Fields Kloof 44 limestone cavern 44 Mine 44 slurry ponds 44 disused quarries 43 Tautona mine 43 Saxman Mine 43 TauTona mine 43 Longwall mining 43 manmade caverns 43 garimpeiro 43 limestone formations 43 vein outcrops 43 stope 43 Artisanal miners 43 Wangjialing Coal Mine 43 Rand Proprietary 43 salt caverns aquifers 43 excavator trenches 43 chimney stacks 43 limestone caves 43 unreclaimed 43 quarry 43 adit 43 caves sinkholes 43 earthen dams 43 Witwatersrand Basin 43 radioactive tailings 43 Xinjing Coal Mine 43 Kroondal mine 43 coal mining 43 underground coal seams 43 coalmine 43 manure pits 42 Kalgold 42 cavern 42 squirrel burrows 42 Ambrex 42 unlined pits 42 sludge ponds 42 gold panners 42 Driefontein 42 flooded Quecreek Mine 42 Storing carbon dioxide 42 Mines ERPM 42 mountaintop removal mines 42 Smuggler Mine 42 Enlow Fork Mine 42 Krasnolimanskaya mine 42 narrow ravines 42 Recompensa vein 42 elevator shafts 42 Jiu Valley 42 gulches 42 TauTona 42 fumaroles 42 coal slurry ponds 42 silicified zones 42 Halemba mine 42 Beijing Fangshan district 42 Elandsrand 42 stoppings 42 boxcut 42 near Carletonville 42 diamondiferous gravels 42 eluvial 42 steep canyon 42 lodes 42 cave 42 underground caverns 42 unexploded shells 42 coal miners 42 Mt Oxide 42 opencast mine 42 Siberia Kemerovo region 42 rockface 42 sandstone cliffs 42 openpit 42 Cata Clavo 42 landmines planted 42 Mechanical diggers 42 Aberpergwm 42 primary escapeway 42 limestone quarry 42 Lead leed 41 burrowing animals 41 dolerite 41 boreholes drilled 41 zircon crystals 41 pyritic rock 41 rotting timbers 41 coalfield 41 unlined landfills 41 sulphide intersections 41 Elandsrand mine 41 opencast 41 panners 41 ventilation shaft 41 Moab Khotsong 41 miners trapped 41 Guanajuatito 41 Genwal Mine 41 quartz tourmaline veins 41 unlined trenches 41 suction dredges 41 paste backfill plant 41 Baywong 41 Otjihase 41 Henan province Shan 41 coke ovens 41 underground 41 alluvial mining 41 placer workings 41 Kinzua Viaduct 41 sandhogs 41 Krzowski 41 Jama Jarrett spokeswoman 41 Batong Buhay 41 HOLMES MILL Ky. 41 anthracite mine 41 Halemba coal mine 41 WR Grace vermiculite 41 methane detectors 41 Wangjialing mine 41 Chuquicamata mine 41 tailing ponds 41 tremolite asbestos 41 longwall mine 41 limestone quarries 41 Merriespruit 41 Goldstrike mine 41 Zapadnaya mine 41 swirling dust devils 41 cave ins 41 karst topography 41 miner 41 Monkayo township 41 unlined waste 41 Tindals Mining Centre 41 unmined 40 Sago explosion 40 Zun Holba 40 MONTCOAL W.Va. Searchers 40 coal seam 40 uranium mines 40 Moab Khotsong mine 40 Pulacayo 40 Modikwa platinum mine 40 Genwal aggressive 40 Peru Orcopampa Uchucchacua Antapite 40 expose coal seams 40 except Phyillis 40 Daw Mill 40 Blyvooruitzicht mine 40 talus slopes 40 Wang Xingang 40 Montana Tunnels 40 subterranean cavities 40 unlined landfill 40 poisonous gases 40 underground tunnels 40 Tomislawice 40 vast Wangjialing mine 40 Tasmania Beaconsfield 40 trench 40 gullies 40 vertical shaft 40 tailings 40 pit cyanide leach 40 creeks 40 artisanal mines 40 Los Bronces Los Pelambres 40 Ukraine Donbass coalfield 40 rat burrows 40 crawlspaces 40 tailings impoundment 40 La Preciosa mine 40 Colliery 40 Utah Crandall Canyon 40 overhanging cliffs 40 anhydrite 40 tailings dam 40 steep ridges 40 Turquoise Ridge 40 Xiangning county 40 Paboase 40 Daping coal 40 carbon monoxide byproduct 40 goldmines 40 Kouqian town 40 called mantrips 40 arsenic selenium 40 iron carbonate 40 auriferous quartz veins 40 lava tubes 40 pyroclastic material 40 Santa Margarita vein 40 Ellington Colliery 40 gopher tortoise burrows 40 spelunkers 40 rubble Samdrup Gyatso 40 methane ignitions 40 Bulyanhulu mine 40 breccia pipe 40 Alpazat caverns 40 subsidiary Barrick Goldstrike 40 sluice boxes 40 flooded Wangjialing Coal Mine 40 iron manganese 40 saline aquifers 40 Wilberg Mine 40 Climax Mine 40 Huayuan Mining Co. 40 shallow depressions 40 Mining 40 unexploded artillery shells 40 Masimong 40 attics cellars 40 breccia pipe targets 40 Padcal 40 survivor Brant Webb 40 poisonous gasses 40 disused mineshaft 40 Gold Fields Driefontein 40 riverbed 40 sulfide deposits 39 skarn horizons 39 Baluba copper mine 39 Zasyadko mine 39 cobalt mineralization 39 PBS Coals Quecreek Mine 39 Pend Oreille Mine 39 geologic formations 39 sandstone horizons 39 Las Boquillas 39 Backdale 39 surface outcrops 39 Toxic gases 39 EXX SJ 39 Mount Diwata 39 mountainsides 39 Stillhouse Mining 39 northern Atacama desert 39 Sleeping Giant Zone 39 arsenic manganese 39 unexploded ordnances 39 rainwater seepage 39 waterholes 39 cicada nymphs 39 alluvial tin 39 phosphate ore 39 gypsum mines 39 roadbed 39 Jellico coal 39 outcropping veins 39 tailings basin 39 gob piles 39 Paved roads 39 contaminating groundwater 39 Darasun mine 39 crevasses 39 sulfide ores 39 Maybrun 39 bituminous mines 39 Marange diamond fields 39 tunnels dug 39 freshly dug trench 39 phosphate mines 39 sulphide deposits 39 Pamodzi mines 39 Hassaï 39 San Juan Sabinas 39 Cadia Hill 39 overgrown vegetation 39 railroad trestles 39 malachite mineralization 39 dolomitic 39 groundwater aquifers 39 trenches dug 39 mill tailings 39 radioactive thorium 39 karsts 39 spruit 39 impermeable shale 39 salt dome caverns 39 prehistoric fossils 39 silicified breccia 39 Bakouma 39 sewer manholes 39 Anzac Day rockfall 39 gulleys 39 diamond diggers 39 Minister Laurence Goldborne 39 copper cobalt nickel 39 drill holes 39 Homestake Mine 39 rusted hulks 39 Grootegeluk 39 harmful vapors 39 opencast coal 39 Trapped miners 39 subterranean cavern 39 sinkholes 39 Cananea copper mine 39 Tau Tona 39 Frijoles Canyon 39 aplite dykes 39 potholers 39 Mineralized intervals 39 borehole drilled 39 Shaanxi Shanxi 39 feldspar porphyry 39 hole stoping 39 Wangjialing coal mine 39 Adumbi 39 acid leaching 39 opencast mines 39 mineralized breccias 39 wholly owned Hycroft mine 39 Darby Mine 39 opencast pit 39 Quecreek mine 39 longwall mines 39 saprolitic 39 Casa Negra mine 39 grapevine moths 39 Twangiza Main 39 arsenic boron 39 Kematu 39 Finsch Mine 39 galamsey miners 39 El Sauzal gold 39 retaliatory kidnappings 39 underground tunneling 39 Promontorio mines 39 limonitic 39 Hoyle Pond underground 39 Zhijian mine 39 goldminers 39 Homestake mine 39 opencut 39 rock formations 39 Miguel Fortt 39 Minapampa East 39 slimes dams 39 Leadville Mine 39 Tailings 39 unlined ponds 39 Coalburg 39 palaeochannels 39 wooden timbers 39 Salar de Atacama 39 longwalls 39 Wangjialing 39 silicified outcrops 39 opencast mining 39 Koffiefontein mine 39 dug narrow passageway 39 Sunjiawan colliery 39 Taizhina 39 holes intersected mineralization 39 Northparkes 39 SCSR 38 chlorides 38 dank caves 38 unclog pipe 38 Drainage ditches 38 airborne EM anomalies 38 fireguards 38 Ulyanovskaya mine 38 igneous rock 38 steep sandstone cliffs 38 Sbaffoni 38 boss Wang Guozheng 38 Porgera mine 38 Calcite Zone 38 Pardeeville dam 38 silt laden 38 Sichuan Beichuan 38 Kopanang 38 Driefontein mines 38 Alum Pot 38 spokesman Dirk Fillpot 38 Anglogold Ashanti 38 La Caridad copper 38 bombies 38 Dario Sepulveda 38 rainwater seeps 38 Savuka mine 38 Kellingley Colliery 38 alteration halos 38 boneyards 38 Gaomendong Coal Mine 38 U Ag Cu 38 steep mountainside 38 Manzako 38 Jensen Precast 38 Sigou 38 Grzegorz Pawlaszek head 38 Ulyanovskaya 38 Crandall Canyon miners 38 mineralized outcrops 38 tremolite 38 towering blast furnace 38 headwater streams 38 Kulu copper 38 massive galena 38 silica breccia 38 bridge abutments 38 mountaintop removal MTR 38 Gamsberg project 38 Carborough Downs 38 coal slurry 38 glean flecks 38 La Colosa 38 COAL MINE 38 volcanic tuffs 38 Damtshaa 38 pinon pines 38 Huge boulders 38 Footwall Zone 38 Polokwane smelter 38 unexploded ordnance UXOs 38 bearing stratigraphy 38 Sufco 38 Santa Ritas 38 creek bed 38 Witwatersrand basin 38 earthen walled 38 alluvial gravels 38 limerock 38 streambeds 38 Boreholes 38 lamproite 38 Retaining walls 38 diamondiferous kimberlite pipes 38 limestone slabs 38 glacial moraines 38 pneumatic drills 38 Darasun 38 Ezulwini underground 38 Liuguantun 38 longwall mining 38 Invertigo 38 open pitable 38 Trapped Chilean miners 38 massive Sayano Shushenskaya 38 Chenjiashan 38 Orapa Letlhakane 38 highly combustible methane 38 coalbeds 38 porous sandstone 38 Leaking pipes 38 nearby Killdeer Mountains 38 gravel quarry 38 Ridgeway Deeps 38 Superstition Wilderness 38 Bulyanhulu 38 copper skarn 38 Dotiki Mine 38 Blyvooruitzicht 38 sandstone boulders 38 avalanche chutes 38 surface geochemical anomalies 38 Bajo Negro 38 skarn mineralization 38 towering Gotthard massif 38 moonshine stills 38 Andina mines 38 MONTCOAL West 38 Explosions boomed 38 Dos Pobres 38 inject slurry 38 brickyards 38 Chilean miners trapped 38 secondary chalcocite 38 Gold Mine 38 Dombraly 38 drained peat bogs 38 lateritic 38 Mponeng 38 Malmberget 38 MONTCOAL W.Va. Rescue 38 mineworkers 38 Massey Aracoma Alma 38 arsenic barium 38 Carltonville 38 granitic basement 38 granite gneiss 38 previously unmapped 38 phosphogypsum 38 hurtled downhill 38 magnetite skarn 38 subsoils 38 bearing skarn 38 sheared mafic 38 steep ravines 38 Malartic mine 38 canyon 38 oxygen canisters 38 Mount Isa Cloncurry 38 breccias 38 drainage pipe 38 kyanite 38 HUNTINGTON UTAH 38 Timpanogos Cave 38 copper sulfides 38 Somkhele 38 caustic sludge 38 outcropping quartz veins 38 Twentymile 38 artisanal mining 38 copper sulphide 38 Kloof mine 38 clay subsoil 38 Dominico Bollini 38 ancient cliff dwellings 38 Climax molybdenum mine 38 culm banks 38 molten slag 38 HAPPY CAMP Calif. 38 Mars lander prepares 38 Tahmoor mine 38 Krzysztof Przybyla 38 brickworks 38 southwestern Guizhou province 38 mountaintop reservoir 38 Genwal Resources 38 sulphide zones 38 subsurface aquifers 38 SSX Steer 38 Ni Cu mineralization 38 unmineralized 38 Aurora Grootvlei mine 38 creekbeds 38 asbestos sheeting 38 Berea sandstone 38 rubbly 38 Joseph Anayasan 38 Corani Este 38 openpit mine 38 Blaine Mayhugh 38 Dotiki 38 Wireline logs 38 bituminous briquets 37 smelting furnaces 37 Temascaltepec 37 Cuetzalan 37 Weminuche Wilderness 37 gold porphyry mineralization 37 massive Zasyadko mine 37 Hemerdon 37 Zambia Konkola Copper 37 metallurgical coal mines 37 minable reserve 37 Cheesman Reservoir 37 trestles 37 earthmoving machines 37 Supt Knowles 37 Obuasi mine 37 Loma Gorda 37 Salinas Grandes 37 Paparoa Ranges 37 metal nonmetal mines 37 Cretaceous sedimentary rocks 37 Chamalang 37 Ofin river 37 Sulphurets deposit 37 headframe 37 dank dungeons 37 aboveground crypts 37 cliffsides 37 Kazakhmys Vedanta Resources 37 Foisey Creek 37 Debswana mines 37 Codelco Norte division 37 unmineable 37 TGDH#D 37 Soumber 37 Southeast Pediment 37 George Baywong 37 Galena Mine 37 sulphide breccia 37 placer deposits 37 floods inundate 37 combustible methane gas 37 quartz sulphide veins 37 metalliferous 37 ancient tombs 37 jack hammers 37 basements attics 37 geophysical conductors 37 underwater caves 37 Clavo Rico 37 opencast coal mine 37 Perseverance Mine 37 disseminated sulfide 37 mine ventilation shaft 37 Levack Footwall deposit 37 Bafokeng Rasimone Platinum 37 colliery spoil 37 Zhangzhuang mine 37 Xstrata Mount Isa 37 Klaza Zone 37 Climber dies 37 tin ore 37 wooden trestles 37 Unexploded ordnance 37 Backhoes 37 cavers 37 bearing breccias 37 tunnellers 37 San Jingguang 37 Vedanta Resources Xstrata 37 pit mineable 37 colluvium 37 Silvana Mine 37 NRE Wongawilli Colliery 37 forested canyon 37 reservoir 37 Roman Dotsov spokesman 37 colliery accidents 37 Cassiar Moly property 37 hazardous atmospheres 37 GAG machine 37 creek bottoms 37 dyke swarms 37 breccia mineralization 37 MELVILLE W.Va. 37 airshaft 37 shrinkage stoping 37 Springdale Pit 37 Tulsequah Chief 37 Osinniki 37 Batian mine 37 hydrocarbon accumulations 37 toxic tailing ponds 37 mine Andre Sougarret 37 Mantos Blancos 37 Jwaneng Orapa 37 limestone bedrock 37 beaver lodges 37 flammable methane 37 Drakensberg Mountains 37 bearing quartz stockwork 37 rhyolite tuff 37 forested terrain 37 iron sulfide 37 Buffelsfontein mine 37 rugged canyon 37 cassiterite 37 ferrochrome smelters 37 Wingfield Pointe 37 forested watersheds 37 Xiangfen County 37 vein intercepts 37 Mina Sur 37 inhaling poisonous gas 37 Eland shaft 37 Nickel laterite 37 Tiriganiaq deposit 37 sulfide mining 37 goldmining 37 Coal Mine 37 MULLAN Idaho 37 tunnels burrowed 37 nickel sulphide mineralization 37 sulphide bearing 37 ridgetops 37 -Roadway Inn 37 manto deposits 37 Urubamba River 37 Zokwana 37 rubbish heaps 37 leachable copper mineralization 37 potentially minable 37 itabirite 37 floodwaters subside 37 Veld fires 37 Dilapidated buildings 37 Tsodilo Hills 37 artisanal miners 37 Nariin Sukhait 37 WTC skyscraper 37 Fruta Del Norte 37 artesian wells 37 Drillholes 37 pyritic rocks 37 Rietkuil 37 variably mineralized 37 Deon Dreyer 37 mineralized gabbro 37 Sigou Coal Mine 37 Yule Marble 37 goldfield 37 mineralized showings 37 massive sulfide mineralization 37 George Baywong Mines 37 frigid Heilongjiang province 37 quartz sulfide 37 towering cherry picker 37 trapped underground 37 Mulyashi 37 interconnecting tunnels 37 Cordero Rojo 37 Blacksville No. 37 Zbigniew Madej spokesman 37 antimony mineralization 37 narrow borehole 37 alluvial diamonds 37 valley fills 37 Microscopic particles 37 Handlova mine 37 gossan 37 bulk minable 37 overburden stripping 37 alpine lakes 37 Zondereinde 37 steep gorges 37 beaver dams 37 Carl Shoupe 37 Quecreek miners 37 Collahuasi copper 37 copper porphyries 37 Mountaineer Alma 37 Amy Louviere 37 caver 37 manhole 37 artisanal workings 37 pore spaces 37 naturally occurring radium 37 El Manto 37 Carletonville 37 subterranean labyrinth 37 Merensky reef 37 As nymphs burrowing 37 Njame 37 passageways 37 PGM ounces 37 Syama 37 Sasol Secunda plant 37 hydrogen sulfide toxic 37 receding glacier 37 mineralized skarn 37 Priest Grotto 37 Cassiar Moly 37 underground parking garages 37 bedrock outcrops 37 mountainous coalfields 37 giant Corporacion Nacional 37 Shenlong Coal Mine 37 Embalming fluid 37 northwestern Shaanxi province 37 granite outcrops 37 Reverse Circulation drilling 37 Dominion Reefs 37 spokeswoman Leslie Fitzwater 37 sandstone formations 37 cicadas suck 37 thundering waterfalls 37 quartz vein stockworks 37 diggers 37 La Jagua 37 cliff dwellings 37 diggings 37 nonmetal mines 37 Bailong river 37 vuggy silica breccias 37 vein quartz 37 Offin River 37 Wulong county 37 Bailadila mines 37 shallow aquifer 37 Zonolite Mountain 37 argentiferous 37 Grootvlei mine 37 Steep slopes 37 La Oroya smelter 37 Thor Trend 37 pithead 37 AngloGold Ashanti 37 Bangka Belitung islands 37 airtight chambers 37 roof bolter 37 Mine Workings 37 holes 37 mineralized lenses 36 igneous intrusions 36 Jiwei Mountain 36 alluvial sediments 36 Quecreek Mine 36 mine El Teniente 36 rivers 36 seracs 36 barium arsenic 36 scoria 36 banded quartz 36 Daxing Coal Mine 36 deadfall 36 Paymaster Canyon 36 Valery Korchagin spokesman 36 epithermal gold deposits 36 draglines 36 Starvation Canyon 36 intersected sulphide 36 burrows 36 Platosa 36 pelite 36 wollastonite 36 Dugout Canyon 36 bolt assemblies 36 Barrios gained notoriety 36 lithium bearing pegmatite 36 granite quarries 36 Sangshuping town 36 Sunjiawan coal mine 36 Queenstake Resources 36 Rene Aguilar 36 quartz tourmaline breccia 36 thick undergrowth 36 blowdowns 36 LaRonde Extension 36 creek crossings 36 Hatter Graben 36 Prokurica 36 stone cairns 36 Esso Minerals 36 Burnstone mine 36 Sunjiawan 36 ant mounds 36 friable asbestos 36 gold anomalism 36 Ramphora 36 means titanic boa 36 Coal Mine Explosion Kills 36 rock outcrops 36 tangled wreckage 36 Cananea copper 36 Utah spelunker 36 Bloodied bodies 36 Llaima volcano 36 Chenjiashan coal mine 36 Aracoma Mine 36 arsenic chromium 36 KCGM 36 leaked tritium 36 officer Zhang Guiquan 36 Dolly Sods 36 vuggy silica quartz alunite 36 Drumlummon vein 36 Yeelirrie deposit 36 graphitic horizons 36 XIANGNING China 36 orebodies 36 Mount Tenabo 36 unclimbed peaks 36 situ leach uranium 36 olivine rich 36 chromitite 36 garimpos 36 alluvial deposits 36 quartz pyrite veins 36 dam spillways 36 Ellery Elvis Hatfield 36 Uranium Mine 36 sedimentary formations 36 Xinqiao Coal Mine 36 bats hibernate 36 Dunkard Creek 36 sandstone bluffs 36 Breccia Ridge Zone 36 methane gas 36 raw sewage spilling 36 Miners Trapped 36 Moatize coal 36 Karabo Gwala 36 Mongora 36 EMERGENCY crews 36 Rockslides 36 alluvial flats 36 Smoldering debris 36 dams 36 unexploded roadside bombs 36 largest borate mine 36 feldspar 36 sub Athabasca unconformity 36 lava flowed 36 Tallmansville 36 Marikana mine 36 limestone cave 36 petroglyphs carved 36 mineralized quartz veins 36 Chapudi 36 Galatia Mine 36 Styldrift 36 Lonshi mine 36 embankments 36 Demirgul 36 digging tunnels 36 El Teniente mine 36 BARTON Md. 36 Syama gold 36 Pesanggrahan River 36 Marmato Project 36 calcine 36 boulders 36 Contaminated groundwater 36 sublevels 36 Baluba mine 36 Las Molinas 36 Aranzazu Project 36 Vortex Zone 36 mineralized veins 36 adit sampling 36 mined ores 36 Utica Shale formation 36 Moaning Cavern 36 eruptive phase 36 paste backfill 36 openpit mining 36 Aquifers 36 Giza plateau 36 thickly vegetated 36 inhaling silica 36 Pasacancha Ag Au 36 conveyer belts 36 canyoners 36 cofferdams 36 illegal dumpsites 36 barrens