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(Click for frequent words.) 68 mineshaft 63 shaft 62 mine shafts 59 mine 57 trapped miners 56 coal mine 55 TauTona mine 55 borehole drilled 54 Meikle mine 54 ventilation shaft 53 vertical shaft 52 miners 52 stope 52 miners trapped 50 cave 50 Halemba mine 50 Dominico Bollini 50 miner 50 near Carletonville 50 Wangjialing mine 50 mineshafts 49 Mine 49 Driefontein mine 49 Elandsrand 49 crevasse 49 coalmine 49 trapped underground 49 underground workings 49 Gold Fields Kloof 49 Crandall Canyon Mine 49 elevator shaft 49 rockface 49 disused mineshaft 48 airshaft 48 Zapadnaya mine 48 Xiangning county 48 mines 48 cavern 48 Taizhina mine 48 Crandall Canyon mine 47 TauTona 47 HOLMES MILL Ky. 47 creek bed 47 ravine 47 Casa Negra mine 47 Elandsrand mine 47 Drillers neared 47 miners entombed 47 longwall mining machine 47 Zasyadko mine 47 Supt Knowles 47 Daping coal 47 colliery 47 Harmony Elandsrand mine 47 mine workings 47 underground cavern 47 Genwal Mine 46 Wangjialing Coal Mine 46 coal seam 46 Engineer Husnu Unal 46 Raspadskaya mine 46 shafts 46 canyon 46 Galena Mine 46 caver 46 Xinjing mine 45 manhole 45 vertical shafts 45 adit 45 La Preciosa mine 45 orebody 45 ventilation shafts 45 Genwal Resources 45 Ulyanovskaya mine 45 Emmett Trapp 45 steep sandstone cliffs 45 Tautona mine 45 highwall 45 underground 45 Beaconsfield mine 45 unfinished Wangjialing mine 45 MULLAN Idaho 45 longwall mine 45 Kloof mine 45 Goldstrike mine 45 Mufulira copper 45 Smuggler Mine 45 Alpazat caverns 45 Tasmania Beaconsfield 45 winze 45 capsule partway 44 trench collapses 44 stopes 44 Darby Mine 44 mine ventilation shaft 44 longwall 44 Wangjialing coal mine 44 Baywong 44 trench 44 trapped Chilean miners 44 rescuers 44 anthracite mine 44 cavers 44 HUNTINGTON UTAH 44 Mponeng 44 2 #/#-inch-wide hole 44 mountainside 44 icefall 44 Sunjiawan colliery 44 coal mines 44 Doug Conaway 44 Bluejohn Canyon 44 Dotiki mine 44 Lamar Guymon 44 Sanyuandong Coal Mine 44 Melanie Hennessey 44 Daniel Rockhouse 43 Wilberg Mine 43 Poisonous gases 43 Krasnolimanskaya mine 43 LaRonde Extension 43 HUNTINGTON Utah 43 adits 43 Jama Jarrett spokeswoman 43 trench caved 43 Moab Khotsong 43 Alum Pot 43 Harmony Gold Elandsrand 43 rockfall 43 Chilean miners trapped 43 Henan province Shan 43 Dotiki Mine 43 oceanside cliff 43 borehole 43 Siberia Kemerovo region 43 Sago Mine 43 Jiu Valley 43 Mars lander prepares 43 Quecreek miners 43 coal miners 43 Moab Khotsong mine 43 Mponeng mine 43 MONTCOAL W.Va. Searchers 43 Blaine Mayhugh 43 Barrios gained notoriety 43 Wangjialing 43 Huayuan mine 43 Gold Fields Driefontein 43 Halemba coal mine 43 Tunlan Coal Mine 43 largest borate mine 42 Timpanogos Cave 42 Trapped miner 42 Taizhina 42 crevice 42 Yubileinaya mine 42 Zhijian mine 42 Darasun mine 42 Weiyuan county 42 Dugout Canyon 42 Utah Crandall Canyon 42 Elandsrand Mine 42 Blyvooruitzicht mine 42 Pend Oreille Mine 42 Xinjing Coal Mine 42 airtight chambers 42 Mr Zilic 42 Utah spelunker 42 Yonni Barrios 42 volcanic vent 42 Ruda Slaska 42 coal seams 42 Batian mine 42 headframe 42 limestone cave 42 Devin Westenskow 42 Sunjiawan coal mine 42 Trapped Chilean miners 42 Pasta de Conchos 42 Richard Villarroel 42 Atacama desert 42 Daping mine 42 Mark Popernack 42 Trapped miners 42 Mine Safety 42 steep ravine 42 Atacama Desert 42 Paparoa Ranges 42 Kroondal 42 sandhogs 41 boxcut 41 Dario Segovia 41 Zhao Tiechui 41 Carlos Bugueno 41 Shenlong Coal Mine 41 Kroondal mine 41 Carl Shoupe 41 Homestake Mine 41 lion enclosure 41 Marikana mine 41 emperor tomb 41 Chenjiashan Coal Mine 41 Chenjiashan coal mine 41 Zhangzhuang mine 41 Sunjiawan 41 breccia pipes 41 except Phyillis 41 La Caridad copper 41 Stillhouse Mining 41 Recompensa vein 41 survivor Brant Webb 41 steep canyon 41 called mantrips 41 Driefontein 41 Rescuers rappelled 41 bearing skarn 41 Enlow Fork Mine 41 steep embankment 41 Sangshuping town 41 Turquoise Ridge 41 Kuzar 41 Goldstrike 41 El Volcan 41 Boesmansgat 41 Fenix capsule 41 Kumtor deposit 41 owned Chenjiashan coal 41 creekbed 41 Climax Mine 41 TALLMANSVILLE W.Va. Rescuers 41 Soudan mine 41 wholly owned Hycroft mine 41 steep gully 41 Portovelo 41 northern Atacama desert 41 tunnel 41 Los Pelambres mine 41 Huayuan Mining Co. 41 Lalor deposit 41 Anayasan 41 Xinxing Coal Mine 41 mineworker 41 Beijing Fangshan district 41 Climber survives 41 Joseph Anayasan 41 tailings dumps 40 WA Goldfields 40 Kinzua Viaduct 40 highwalls 40 Mullan Idaho 40 boulder dislodged 40 5 #/#-foot-high void 40 Mianchi 40 Coal Mine Safety 40 longwall mining 40 Anzac Day rockfall 40 drainage pipe 40 unclog pipe 40 GAG machine 40 Montana Tunnels Mine 40 George Baywong 40 Carborough Downs 40 Mr Whittall 40 Tallmansville 40 flooded Wangjialing Coal Mine 40 tunnels 40 bearing stratigraphy 40 Kerry Allred 40 Delta Mendota Canal 40 Caliente Caldron Complex 40 Mt Oxide 40 Genwal mine 40 Carletonville 40 Buffelsfontein mine 40 Levack mine 40 serac 40 Beistline shaft 40 Starvation Canyon 40 Leviathan Mine 40 Codelco Chile 40 Nutty Putty cave 40 Handlova mine 40 leachable copper mineralization 40 Toxic gases 40 boss Wang Guozheng 40 conical dome 40 Steenkampskraal 40 Longwall mining 40 mine Andre Sougarret 40 Xinxing mine 40 Storing carbon dioxide 40 M'Phatlele 40 Sago Baptist Church 40 Gold Mine 40 caves 40 Kumtor mine 40 Zbigniew Madej spokesman 40 Juan Carlos Aguilar 40 Lead leed 40 stormwater drain 40 Daw Mill 40 Zun Holba 40 Climber dies 40 Michilla 40 Santa Margarita vein 40 creek 40 Llaima volcano 40 Chuquicamata mine 40 Caladay 40 Bwlch Glas 40 tailing piles 40 Sago miner 40 Charly vein 40 vein outcrops 40 tailings piles 40 coalmines 40 Upper Gauley River 40 Great Noligwa 40 spokesman Lou Schack 40 Khumbu Icefall 40 Goldstrike Mine 40 Swiridowsky windshield 40 Montana Tunnels 40 elevator shafts 40 Blyvooruitzicht 40 borewell 40 Loma Gorda 40 Coal Mine 40 Liuguantun 40 rockslide 40 towering Gotthard massif 40 Tal Ehlers 40 Xingning 40 Rescuers 40 Bafokeng Rasimone Platinum 40 Leadville Mine 39 Quecreek mine 39 Cata Clavo 39 Hatter Graben 39 Renan Avalos 39 mineralized quartz vein 39 lodes 39 Lennard Shelf zinc 39 roof bolter 39 Ukraine Donbass coalfield 39 Boca Reservoir 39 Foisey Creek 39 Codelco El Teniente 39 Modikwa platinum mine 39 Nutty Putty Cave 39 spelunkers 39 Tau Tona 39 Gaomendong Coal Mine 39 Crandall Canyon 39 molybdenum deposit 39 mining 39 couloir 39 Mountaintop removal coal 39 Lost Dutchman 39 mountainous Benguet province 39 Witwatersrand Basin 39 near Atarau 39 breccia pipe 39 magma chamber 39 Paymaster Canyon 39 steep mountainside 39 Wang Xingang 39 Chibondo 39 Springdale Pit 39 Autistic hiker 39 Zasyadko 39 Montana Tunnels mine 39 Sasol Secunda plant 39 crater 39 spokesman Dirk Fillpot 39 Ultramafic Zone 39 limestone cavern 39 Marikana 39 dug narrow passageway 39 Levack Footwall deposit 39 outcropping quartz veins 39 miner Omar Reygadas 39 Aracoma mine 39 SCSR 39 Angela Vein 39 dislodged boulder 39 Heilongjiang pronounced HAY 39 COPIAPO Chile 39 underwater caves 39 Shinkolobwe mine 39 tunnels dug 39 frigid Heilongjiang province 39 Frasers Underground 39 Mina Sur 39 escapeways 39 zircon crystals 39 Bulyanhulu mine 39 Ptarmigan Glacier 39 Dirk Fillpot 39 capsule 39 flooded Quecreek Mine 39 Porvenir Dos 39 stairwell 39 Chilean miners rescued 39 Cretaceous sedimentary rocks 39 booby trapped bunker 39 tailings dam 39 canyoners 39 boreholes drilled 39 Kouqian town 39 Deon Dreyer 39 girlfriend Fabiola Araya 39 Huda Jama 39 Grootegeluk 39 Jayden Cangro 39 Driefontein Gold 39 Dioulafoundou zone 39 Chile Atacama desert 39 Utica Shale formation 39 San Jingguang 39 Sleeping Giant gold 39 Cigar Lake 39 Missing hiker 39 Twangiza Main 39 tungsten mineralization 39 leached capping 39 Dongfeng Coal Mine 39 Tunlan coal mine 39 Ezulwini underground 39 El Teniente mine 39 Pequop Mountains 39 Dr. Jacquelyn Kotarac 39 subsidiary Barrick Goldstrike 39 Kafue River 39 deep borewell 39 Ellery Hatfield 39 Cannivan Gulch 39 Charly Vein 39 Dotiki 39 Chile Collahuasi copper 39 steep hillside 39 quarry 39 Yandi iron ore 39 Shinkolobwe 39 limestone caverns 39 subterranean cavities 39 mangled carriages 39 Whitetail Kittanning Mine 39 caged canary 39 Paparoa Range 39 headgate 39 AngloGold Ashanti Cerro Vanguardia 39 Zasyadka mine 39 Krzysztof Przybyla 39 earthshaking collapse 39 mountain 39 sub Athabasca unconformity 39 streambed 39 stoppings 38 NHM SJ 38 Vortex Zone 38 Antamina copper zinc 38 Paboase 38 Las Molinas 38 Strieborna 38 Injured hiker 38 Platreef 38 Meng Xianyou 38 Jorge Galleguillos 38 spokeswoman Susan Gravenkamp 38 tailings dams 38 heap leach pads 38 carbon monoxide Rockhouse 38 miner Ariel Ticona 38 diamondiferous gravels 38 massive sulphide horizon 38 Hole DDHC 38 privately owned Xiaonangou 38 northwestern Shaanxi province 38 CAMPBELLTON Texas 38 Kaiparowits Plateau 38 Coalburg 38 spokeswoman Amy Louviere 38 Martian surface 38 Capricorn Glacier 38 El Manto 38 scree slope 38 sinkhole 38 ledge 38 Castleview Hospital 38 Long Limin 38 Mines ERPM 38 Gaston Henriquez 38 Mr Easther 38 Osinniki 38 Quecreek survivor 38 Crandall Canyon miners 38 coal mining 38 footwall rocks 38 sulfide mineralization 38 MOUNT SHASTA Calif. 38 Xinqiao Coal Mine 38 sandstone horizons 38 Cassiar Moly 38 de Sabinas 38 Tony Kokshoorn mayor 38 salt dome caverns 38 forested canyon 38 Jama Jarrett 38 Levack Footwall Deposit 38 sixth borehole drilled 38 Cerro Rico 38 Whittall 38 volcano lava dome 38 massive Zasyadko mine 38 opencut 38 Evagelatos 38 Mario Sepulveda Espina 38 Randal McCloy Jr. 38 Belle Ayr 38 tailings pond 38 cliff 38 riverbed 38 Jianxin Coal Mine 38 Corani Este 38 Endako Pit 38 Masimong 38 Omar Reygadas 38 sluice boxes 38 volcanic fissure 38 underground tunnels 38 Newmont Yanacocha 38 Prairie Evaporite Formation 38 Jiwei Mountain 38 near Winnemucca Nevada 38 retreating glacier 38 Wodgina mine 38 Anxin Coal Mining 38 Twin Shaft 38 Endurance Crater 38 Daxing Coal Mine 38 Xinxing coal 38 Fruta Del Norte 38 UBB Mine 38 Cuetzalan 38 captivated Chileans 38 cliff ledge 38 mined 38 Victor Segovia 38 Diavik mine 38 Hinge Zone 38 Marula mine 38 Brant Webb 38 mineralized shear zone 38 volcanic ridge 38 Booysendal 38 Chenjiashan mine 38 Los Bronces Los Pelambres 38 Chuquicamata 38 Imran Zilic 38 icy ledge 38 Savuka mine 38 Surface Mine 38 cicada nymphs 38 MSHA 38 Nebo Ky. 38 Tindals Mining Centre 38 Sago explosion 38 Invertigo 38 Aberpergwm 38 Veladero mine 38 Rosebud Mine 38 Klaza Zone 38 sandy bluff 38 carbon monoxide byproduct 38 Kumtor 38 heap leachable 38 Altonorte copper smelter 38 Coldwater Canyon Blvd 38 cathedral spire 38 Rene Aguilar 38 Offset Zone 38 Raspadskaya coal 38 Rosmulder 38 tailings pile 38 Tshepong mine 38 Itogon township 38 toddler Imran Zilic 38 Uinta Mountains 38 rugged bushland 38 gorge 38 Escondida mine 38 VMS deposit 38 Bakouma 38 Barrick Eskay Creek 38 Hemerdon 38 Holy Cross Wilderness 38 cobalt mineralization 38 BHP Escondida 38 Rio Tinto Rossing 38 tunnels Baywong 38 SSX Steer 38 garimpeiro 38 director Peter Cicmanec 38 Southeast Pediment 38 mine El Teniente 38 Renison Bell 38 massive Sayano Shushenskaya 38 Tatyana Muscovite 38 Barminco 38 Kozhemyaka 38 lava tube 38 underground longwall 38 Burnstone mine 38 meteor crater 38 Culebrilla 38 Beaconsfield goldmine 38 Levack Mine 38 Lomas Bayas 38 experienced caver 38 BUCKHANNON W.Va. 38 MSHA inspector 38 Obuasi mine 38 Tajo Vein System 38 sulphide ore 38 Minesadco 38 sulphide intersections 38 Cerro Dorado 37 Superstition Mountains 37 subsidences 37 company Codelco grinned 37 orebodies 37 union Lesiba Seshoka 37 Galston Ayrshire 37 Eagle Nest deposit 37 Consol Energy McElroy 37 Polokwane smelter 37 Oregon Wallowa Mountains 37 Goldborne 37 Rescuer Zhao Chuan 37 Randal McCloy 37 mine Dona Ines 37 F2 Zone 37 Platosa Mine 37 Hiker dies 37 salt caverns aquifers 37 roadbed 37 Northam Platinum 37 Scafell Pike 37 Kennecott Bingham 37 W.Va. mine 37 insert saline 37 Baruntse 37 Modder East gold 37 flume 37 Bulyanhulu gold 37 moonlight reliving 37 anthracite mines 37 Amandelbult 37 snowslide 37 polymetallic deposit 37 Massey Aracoma Alma 37 Yubileynaya mine 37 Chucapaca 37 Zandfontein 37 Guanajuatito 37 slopes 37 autistic hiker 37 Bolivian Carlos Mamani 37 Ventilation Shaft 37 El Compas mine 37 talus slopes 37 drainpipe 37 Zondereinde mine 37 OAO Yuzhkuzbassugol 37 auriferous quartz veins 37 Rimrocks 37 Scotia Mine 37 Mangnan 37 excavator 37 Juan Illanes 37 AFRANE employee managed 37 grapevine moths 37 Blyvoor 37 Mohave Generating Station 37 Buzwagi 37 Darasun 37 La Preciosa killer 37 Cassiar Moly property 37 Wang Dexue deputy 37 Lower Olinghouse Placers 37 Modder East 37 near Wabowden Manitoba 37 rhenium deposit 37 meteorite crater 37 Artisanal miners 37 Chile Atacama Desert 37 Kellingley 37 Wulong county 37 alluvial mining 37 danger Feickert 37 Avebury nickel mine 37 Qitaihe 37 sulphide deposit 37 Sigou 37 Jerritt Canyon 37 Witwatersrand basin 37 Genwal mine reported 37 unroped 37 Driefontein mines 37 Survivable Space Found 37 Glenwood Canyon 37 Njame 37 Cameco Cigar Lake 37 gold panner 37 old Ayumi Osuga 37 manto mineralization 37 primary escapeway 37 Clayton Cobler III 37 Sbaffoni 37 Yandi mine 37 caldera 37 silicosis lung disease 37 Lauterbach charred corpse 37 Secretary Laurence Goldborne 37 Rodilla Manto 37 Montcoal 37 LaRonde mine 37 Hecla 37 backhoe dug 37 excavator trenches 37 Cusi Silver 37 massive sulfides 37 grade stopes 37 Yanggang province 37 Dramatic rescues 37 footwall alteration 37 Goldcorp El Sauzal 37 Northparkes 37 Mine Shaft 37 Bellekeno deposit 37 winched 37 Luis Alberto Urzua 37 Rietkuil 37 mineralized gabbro 37 Perseverance Mine 37 methane ignitions 37 Amy Louviere 37 Kulu copper 37 Gov. Erdal Ata 37 Copiapo Chile 37 Dajinhe Coal 37 opencast mine 37 Sachigo River 37 Hamersley Basin 37 Chenjiashan 37 Aurora Grootvlei mine 37 fumarole 37 Zondereinde 37 Hycroft Mine 37 bushwalker 37 Sommerdorf 37 Lamaque 37 Meng Xianchen 37 snowfield 37 Bucko Lake nickel 37 mineralized lodes 37 Platosa 37 openpit 37 Sharkfin Tower 37 massive sulphide lens 37 paste backfill plant 37 No.2 reactor 37 dense bushland 37 LEAD SD 37 Molten rock 37 Au Cu mineralization 37 Flin Flon Man 37 pyroclastic material 37 Maybrun 37 breccia zone 37 skarn horizons 37 UG2 reefs 37 eluvial 37 Mine Workings 37 Clementine vein 37 sobbed Anwar Ragab 37 Cananea copper mine 37 rugged canyon 37 Frontier Kemper Constructors 37 crawlspace 37 Yuzhou 37 Crib Goch 37 Reverse Circulation drilling 37 forested Bitterroot Mountains 37 South Inkai Uranium 37 toppled thatched hut 37 sister Maria Buenrostro 37 wooden stairway 37 Zijin Mining SHA # 37 Arkaroola 37 Orebody 37 Codelco Norte division 37 dragline 37 copper sulfides 37 coalfield 37 Scuddles 37 Greg Seftick 37 situ leach 37 fumaroles 37 KCGM 37 Murowa mine 37 situ leach uranium 37 Daping Mine 37 APACHE JUNCTION Ariz. 37 loose scree 37 desert playa 37 climbers 37 opencast pit 37 Kellingley Colliery 37 Mount Snowdon 37 ore 37 Deeps 37 Santa Juana 37 Woodie Woodie manganese 37 Andre Sougarret 37 spelunker 37 spelunking expedition 37 Malartic mine 37 underground delineation drilling 37 Mammoth Cave 37 near Barroteran 37 Sulphide Shear Zone 37 Ezulwini Mine 37 Drainage Tunnel 37 Boroo mine 37 owner Guo Yungang 37 silica breccias 37 Cadia Hill 37 Walker Pannell Kuhl 37 Nolo Mine 37 Aguablanca nickel copper 37 Steel Minntac 37 Salar de Atacama 37 pit cyanide leach 37 granitic pluton 37 Blyvoor mine 37 Ormsby Zone 37 Fosterville 37 Hoyle Pond underground 37 Bajo Negro 37 skarn deposit 37 Marcelo Kemeny 37 Ridgeway Deeps 37 Borah Peak 36 Okcular village 36 spokesman Ilja Graulich 36 RESCUERS 36 bearing quartz stockwork 36 caving expedition 36 Lemarchant prospect 36 Cerro Verde copper 36 Pickle Crow gold 36 porphyry skarn 36 near Revelstoke BC 36 spokeswoman Jama Jarrett 36 Cretaceous limestone 36 Perilya 36 Milltown Dam 36 Harmony Gold 36 Bambanani mine 36 Aranzazu Project 36 Zhezkazgan 36 Mount Gongga 36 trackhoe 36 Maria Segovia 36 Paguanta 36 crater rim 36 Stora Sahavaara magnetite 36 Dazhai Village 36 Sigou Coal Mine 36 El Tajo 36 coal miner 36 Cu Mo Ag 36 Kemerovo region 36 Mantoverde 36 Cananea Sonora 36 Cananea copper 36 stockwork mineralization 36 wellbore 36 heavily wooded ravine 36 Obuasi Mine 36 Wombeyan Caves 36 Lucero Vein 36 Kalgold 36 opal mine 36 Silvana Mine 36 long jeeahng province 36 Tertiary sediments 36 volcanic tuffs 36 entombed 36 Footwall Zone 36 kimberlitic material 36 weir 36 Galloping Goose trail 36 Chilean miners 36 Mountaineer Alma 36 Raspadskaya coalmine 36 Ron Grall 36 underground coal seams 36 copper cathode output 36 Xinmi 36 pit copper molybdenum 36 Valery Korchagin spokesman 36 Mykola Lebed led 36 Gwabe 36 Rio Blanco 36 open pitable 36 holes intersected mineralization 36 Carltonville 36 altered andesite 36 drainage culvert 36 Artillery Peak Manganese 36 Baluba copper mine 36 Blacksville 36 Ragged Range 36 Collahuasi Chile 36 Kalgoorlie Consolidated 36 MULLAN Idaho Rescuers 36 BHP Billiton Escondida 36 mineralized zone 36 Real Viejo 36 limonitic 36 boulder 36 cablecar 36 granite gneiss 36 Wilberg mine 36 quartz reef 36 Branch UBB 36 majestic Rohtang Pass 36 palaeo channel 36 Codelco rescuer made 36 sluice channel 36 Salinas Grandes 36 bullion Zwillinger 36 Batong Buhay 36 Loveridge Mine 36 Swauk Creek 36 Kospi vein 36 pit 36 impermeable shale 36 outcropping 36 trapped 36 mineralized mantos 36 Headwall 36 Buesichem 36 Susan Gravenkamp spokeswoman 36 Sago mine 36 highwall miner 36 mine Escondida 36 Ekati mine 36 Beartooth Pass 36 Commissioner Henry Shekifu 36 gurgling muddy 36 ore grades 36 Popernack 36 Seng Creek Powellton 36 previously undrilled 36 dry riverbed 36 manto deposits 36 #oz [002] 36 Cluff Lake 36 El Compas vein 36 Nayong county 36 limestone quarry 36 #ft cliff 36 oz y 36 chute 36 Thor Trend 36 Hernshaw 36 Officer Troy Deshong 36 Coal Seam 36 dolerite 36 Patache port 36 de Collahuasi 36 narrow borehole 36 Miles Vinar 36 leach pad 36 silicified breccia 36 backcountry skier 36 Lt. Jeff Ausnow 36 Sougarret 36 Temascaltepec Mining District 36 NRE Wongawilli Colliery 36 collieries 36 NUM spokesperson Lesiba 36 watery ditch 36 flooded Wangjialing coal 36 Casa Berardi Mine