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(Click for frequent words.) 52 gold copper porphyry 52 Dadiangou 50 Simuku 49 Yaxtche zone 48 Clementine vein 47 uraniferous 47 Despoblados 46 InfiniTEM survey 46 Corani Este 46 Dioulafoundou 46 Procon Mining 46 Dombraly 46 Goldwedge 46 Ayelen Vein 46 Soumber 46 Marvel Loch 46 Encino Vein 46 Clavo Rico 46 Frontino gold 46 Hatter Graben 45 Magusi deposit 45 Yaragua 45 Adit # 45 C#/# kimberlite 45 Hugo Dummett Deposit 45 Klaza Zone 45 open pitable 45 palaeochannels 45 Promontorio mines 45 Heruga deposits 45 Tabakoto deposit 45 Malartic Goldfields 45 Frijolar 45 dyke swarms 45 Pasacancha Ag Au 44 VTEM geophysical 44 Hache lens 44 Segala deposit 44 Titiribi 44 Tongchuan 44 Yaxtche deposit 44 Hoyle Pond underground 44 Horizontal Loop Electromagnetic 44 Gilju 44 Paboase 44 Nivloc Mine 43 Guajes West 43 TBMs 43 stratigraphically below 43 El Manto 43 Puajanca Zone 43 Coneto 43 Batian mine 43 Alaskite 43 Stockwork Zone 43 La Colosa 43 WAT# #A 43 Las Boquillas 43 underground coal seams 43 Fenyang 43 Hemlo Ontario 43 wholly owned Hycroft mine 43 electromagnetic geophysical 43 El Dovio 43 Los Hilos 43 adit sampling 43 porphyry skarn 43 alluvial mining 43 RLGM 43 Whirlwind Mine 43 quartz tourmaline breccia 43 Santa Margarita vein 43 Renhe Commercial Holdings 43 Lapa Mine 42 Syama gold 42 Minapampa Zone 42 Zapadnaya 42 Reverse Circulation drilling 42 Santa Eduwiges mine 42 Amantaytau 42 Tapuli Stora Sahavaara 42 delineation drill 42 Large Ion Collider 42 GRC El Aguila 42 La Morocha 42 openpit mine 42 Nabrajah # 42 vein outcrops 42 Abajo zone 42 Cata Clavo 42 Wangjialing 42 Sourdough Ridge 42 mineralized gabbro 42 openpit 42 undeveloped Cosmo 42 Alex Breccia 42 Loetschberg 42 Caladay 42 disseminated sulfide 42 Chabela 42 outcropping quartz veins 42 Naimanjal 42 garimpeiro 42 geological terrane 42 Ulaan Ovoo coal 42 leachable copper mineralization 41 Tindals Mining Centre 41 Stora Sahavaara magnetite 41 Tiriganiaq deposit 41 saline formations 41 paste backfill plant 41 Recompensa vein 41 paleochannels 41 Cerro Lindo 41 Thu Thiem tunnel 41 electromagnetic surveying 41 Atzam # 3A 41 Wangjialing coal mine 41 Tunnelling Ltd. 41 geophysically logged 41 Kaunisvaara Iron Ore 41 Topia Mine 41 mechanized trenching 41 Triassic reservoirs 41 Paboase South 41 Buesichem South 41 seafloor methane 41 Engineer Husnu Unal 41 El Compas mine 41 economically exploitable 41 Akwaaba Deeps 41 Douay West 41 Maybrun 41 Surface trenching 41 Kulu copper 41 SSX Mine 41 mineralized boulder 41 Mina Sur 41 albitite 41 Yaxtché deposit 41 Vortex Zone 41 Daping coal 40 Orapa Letlhakane 40 Oligocene reservoir 40 UMEX 40 Sunjiawan coal mine 40 Xinmi 40 SNOLAB 40 garimpo 40 pelite 40 Halemba coal mine 40 Harmony Elandsrand mine 40 Guanajuato Mine 40 coke oven gas 40 mapping geochemistry 40 Chenjiashan coal mine 40 Footwall Zone 40 tailings dumps 40 Veta del Contacto 40 Suuri 40 Sekisovskoye 40 Tulsequah Chief 40 Avion Tabakoto 40 surface trenching 40 salt dome caverns 40 Aurizon Casa Berardi 40 T'Boli gold silver 40 opencast pit 40 Twin Shaft 40 limestone caverns 40 Raj Varatharaj 40 Systematic sampling 40 UGSI 40 Nose Deposit 40 sulfide bearing 40 Malpaso mill 40 saline aquifers 40 emperor tomb 40 Las Molinas 40 BIOX R 40 Punggye 40 Breccia Ridge Zone 40 proposed Bonanza Ledge 40 Cassiar Moly property 40 meter Piz Vatgira 40 Induced Polarization anomaly 40 overland conveyor 39 Wangjialing Coal Mine 39 Modder East 39 CIM compliant 39 underground longwall mining 39 surface geochemical anomalies 39 andesitic rocks 39 Mongora 39 bearing stratigraphy 39 autogenous grinding mill 39 Copperstone Fault 39 dipole dipole IP 39 Marmaray tunnel 39 quartzite ridge 39 lamproite 39 downhole geophysical 39 adits 39 Charly Vein 39 Dikulushi mine 39 bearing quartz stockwork 39 Manantial Espejo mine 39 Ridgeway Deeps 39 graphitic horizons 39 Reefton goldfield 39 Lupita Mine 39 Excavator trenching 39 fine grained sandstone 39 Hoyle Pond Mine 39 Sonneman Level 39 Worshiping Women 39 Oro Amigo 39 REE enriched 39 Tabakoto pit 39 alaskite 39 Herrenknecht 39 Strieborna 39 neutrino detector 39 Sawahlunto 39 volcanic tuffs 39 anomalously radioactive 39 tailings dam 39 Ezulwini underground 39 underground delineation drilling 39 Southern Kuzbass 39 Breccia Ridge 39 unfinished Wangjialing mine 39 F2 Core 39 Douay Ouest 39 sandstone horizons 39 Pulacayo 38 Nui Kem 38 Moatize coal 38 Artisanal miners 38 Honeymoon uranium 38 meter spacings 38 porphyry breccia 38 Chimiwungo 38 previously unsampled 38 Sachigo River 38 Timmins Mine shaft 38 AngloGold Ashanti Cerro Vanguardia 38 bearing breccias 38 potentially minable 38 Veta Sur vein 38 situ leach 38 Bellekeno mill 38 Gold Fields Kloof 38 QDD Lower West 38 Debarwa deposit 38 Santa Eduwiges 38 Kalgold 38 cicadas suck 38 excavator trenches 38 La Paila zone 38 Andreeva Bay 38 sulphide intersections 38 Tabakoto deposits 38 soil geochemistry surveys 38 induced polarization IP 38 Basilica Cistern 38 Xiangfen County 38 Homestake mine 38 owner Guo Yungang 38 Queensland Surat Basin 38 Onkalo 38 dolomitic 38 Gold Fields Driefontein 38 Taizhina 38 Brood X emerged 38 mineralized mantos 38 Mallery Stockwork 38 downhole geophysics 38 trenchless 38 Escondida Norte 37 opencast mines 37 tailings retreatment 37 Buffelsfontein tailings recovery 37 saprolitic 37 permeate aquifers deep 37 Great Noligwa 37 Wona SW Zone 37 crystal chandeliers silk 37 Kospi vein 37 mineralized quartz vein 37 volcanic arcs 37 porphyritic intrusive 37 paste backfill 37 mafic ultramafic rocks 37 Kirandul 37 Witwatersrand basin 37 workovers recompletions 37 Sunjiawan 37 Zasyadko mine 37 bridges viaducts 37 hole stoping 37 GeoUnderground web based 37 openpit mining 37 Bulyanhulu mine 37 vibro compaction 37 tunnels dug 37 LaRonde Extension 37 Mina Isidora 37 Jurassic sandstone 37 Siberia Kemerovo region 37 underground 37 karst limestone 37 Rotliegend sandstone 37 Yalea 37 Shadowcrew Carderplanet 37 graphitic sediments 37 sequester carbon dioxide emissions 37 #m #ft [004] 37 dump retreatment 37 As nymphs burrowing 36 neutrino observatory 36 coalmine methane 36 manto structure 36 Barail 36 Adumbi 36 sedex 36 Punggyeri 36 unmineable 36 paleo placer 36 drained peat bogs 36 Bedard Dyke 36 pelitic gneiss 36 subsea containment 36 Daping mine 36 Novoshakhtinsk 36 trenchless technology 36 underground cavern 36 flotation circuits 36 Mehdiabad 36 pneumatic drills 36 Zapadnaya mine 36 Sunjiawan colliery 36 tailings impoundment 36 geochemistry anomalies 36 copper nickel sulphide 36 geothermic 36 stopes 36 siliceous sediments 36 Sukari gold 36 Cananea copper 36 Tunlan Coal Mine 36 Wassa HBB 36 Komsomolskoye 36 Driefontein mine 36 vertical shafts 36 geophysics geochemistry 36 tramming 36 Lead leed 36 hydraulically fracture 36 Lockerby Depth Zone 35 underground workings 35 Tunneling 35 acid leaching 35 Karoo sediments 35 highwall miners 35 El Teniente mine 35 drillhole spacing 35 subsurface aquifers 35 Storing carbon dioxide 35 dams canals 35 Xinjing Coal Mine 35 Kola NPP 35 capitalist enclave 35 scintillometer survey 35 anthracite mine 35 situ leach uranium 35 tout simplement 35 stalagmites stalactites 35 rockfill 35 Barrick Pierina 35 permeable sandstone 35 carbonaceous shale 35 boxcut 35 Levack Footwall deposit 35 coquina rock 35 underground shale formations 35 Engineering Laboratory DUSEL 35 coal seam 35 slimes dam 35 Hole DDHC 35 heap leach pads 35 mineralized porphyry copper 35 Shinkolobwe 35 Silvana Mine 35 underground tunnels 35 dewater 35 coal seams 35 insitu 35 mud fortresses 35 Moab Khotsong mine 35 Brimstone leach pad 35 limestone cavern 35 railcar unloading 34 mountainous Benguet province 34 El Santuario 34 tailing piles 34 subterranean caves 34 VMS volcanogenic massive sulphide 34 Tunnelling 34 tunneling 34 Poisonous gases 34 holes intersected mineralization 34 galamsey miners 34 -Routledge #/#/# 34 Sangshuping town 34 tailings dams 34 Jiu Valley 34 overpressurized 34 outcropping veins 34 advantageously located 34 Zun Holba 34 Meikle mine 34 Goldstrike 34 injection wells 34 Dioulafoundou zone 34 opencut 34 Sumbawa Island under 34 Mt Bundy Rustler 34 conductive zones 34 Jimblebar 34 Mt Windarra 34 Fabie Bay Mine 34 near Carletonville 34 steep sandstone cliffs 34 Atlas Fausett Contracting 34 saline aquifer 34 Drumlummon 34 Liuguantun 34 Cuetzalan 34 glacial boulder 34 manway 34 Charly vein 34 mined ores 34 quartz vein float 34 Hewfran 34 -Roadway Inn 34 artist R. Crumb 34 tunnels 33 Shannopin 33 Inland Feeder 33 Xiangfen 33 longhole 33 wall Asato 33 magmatic hydrothermal 33 headframe 33 Soudan Underground Laboratory 33 Niobec niobium mine 33 tailing impoundment 33 adit 33 Soudan mine 33 dug narrow passageway 33 gypsum mines 33 Ruda Slaska 33 pipelines LNG terminals 33 Devonian limestone 33 Beistline shaft 33 TauTona 33 Alpazat 33 Santander Orebody 33 El Volcan 33 ferrochrome smelters 33 Islais Creek 33 Yubileinaya 33 artesian wells 33 underground longwall 33 longwalls 33 hydrothermal fluid 33 Trevor Engelson 33 Alliston aquifer 33 heap leach pad 33 La Pilita 33 ventilator shafts 33 Signal Peak Energy 33 Deep Tunnel 33 toxic hydrogen sulfide 33 excavation 33 Hole TC# 33 Lac Kachiwiss 33 AeroTrain 33 borehole drilled 33 Ellenburger formation 33 interconnecting tunnels 33 Berea sandstone 33 Nizhne 33 stope delineation 33 salt caverns aquifers 33 Guatemala sinkhole 33 underseas 33 undergound 33 ventilation ducting 33 pipes corroding 33 acquifer deep 33 degasification 32 polyethylene piping 32 Yuxian county 32 Hemerdon 32 granitic basement 32 Methane hydrates 32 Vinh Moc 32 headrace tunnel 32 Leadville Mine 32 Baywong 32 basal sands 32 Carolin Mine 32 rat infested subway 32 Tomislawice 32 limestone fissures sinkholes 32 unlined pits 32 borehole 32 igneous intrusions 32 Pampalo 32 Zani Kodo 32 La Preciosa killer 32 Nyurba 32 underground geological formations 32 coalbed 32 geophysical prospecting 32 unlined waste 32 Genwal Mine 32 Pushkinskaya 32 Soudan Minn. 32 tar sands bitumen 32 Gotthard Base Tunnel 32 longwall mines 32 acetylene torches 32 Beijing Fangshan district 32 upflow 32 Mesozoic sedimentary 32 frac'ing 32 Shinkolobwe mine 32 undersea 32 Highly radioactive 32 Rape Suspect Captured 32 dewatering 32 geological repository 32 limestone quarries 32 winze 32 mildly radioactive 32 subterranean labyrinth 32 placer workings 31 Tau Tona 31 Storage Tank 31 Smoke bellows 31 Veta Madre vein 31 spokeswoman Lyn Garris 31 TauTona mine 31 stope 31 Eland shaft 31 sedimentation pond 31 casemates 31 Ulyanovskaya 31 coalmine 31 hydrothermal fluids 31 Mountaintop removal coal 31 nodding donkeys 31 Timmins Mine ramp 31 Botija 31 miner toothy 31 Griboyedov 31 Chief Executive Peter Whittall 31 roadheader 31 Chashma Barrage complex 31 shrinkage stoping 31 sea hydrothermal vents 31 micro tunneling 31 pedestrian passageway 31 Niobrara Shale formation 31 gasometers 31 flooded Quecreek Mine 31 alluvial sediments 31 No.2 reactor 31 Colorback 31 retaliatory kidnappings 31 Carborough Downs 31 except Phyillis 31 PTH Tunnel 31 Mars lander prepares 31 surficial 31 vertical shaft 31 Lt. Gen. Vladimir Verkhovtsev 31 capsule partway 31 opencast coal 31 Coldwater Canyon Blvd 31 shatter tightly compacted 31 Enlow Fork Mine 30 Project Rulison 30 imu 30 bearing hydrothermal fluids 30 mine 30 igneous intrusion 30 Solomon Stables 30 multistory parking 30 gurgling muddy 30 hydro fracturing 30 percolation ponds 30 mines 30 hazardous atmospheres 30 Rietkuil 30 geological repositories 30 Barminco 30 Prophecy Ulaan Ovoo coal 30 grout curtain 30 caprock 30 secrets Magliato 30 downthrown side 30 Blyvooruitzicht 30 Wingfield Pointe 30 subterranean tunnels 30 Utica Shale formation 30 Tatyana Muscovite 30 - -Billeaudeau 30 excavating 30 impermeable shale 30 filmmaker Alejandro Jodorowsky 30 mining 30 Receive Handpicked Stories 30 Longwall mining 30 Tasmania Beaconsfield 30 - -Sprained Knee 30 tunnels Baywong 30 Bishop Jia Zhiguo 30 slurry ponds 30 elevator shafts 30 acquifers 30 Inc. OTC UGSI 30 porous sandstone 30 Explosion shakes 30 spokeswoman Jawauna Greene 30 hacks iPhone unlockers 30 mine shafts 30 weak carbonic acid 30 excavated 30 Northparkes 30 frigid Heilongjiang province 30 privately owned Xiaonangou 30 Tunnel 30 impermeable liner 30 Kaiolu Street 30 overhanging cliffs 30 elevated guideway 30 Prospekt Mira 29 coal slurry ponds 29 Mykola Lebed led 29 Transmilenio 29 Leaking pipes 29 Coalburg 29 underground passageways 29 Flin Flon Man 29 kV overhead 29 sandstone aquifer 29 baby sitters maids 29 pedestrian underpasses 29 overlying sediments 29 Dalston Kingsland 29 Money petrifies 29 tritium contaminated 29 Marcellus shale formation 29 carbon monoxide Rockhouse 29 bituminous mines 29 bursting champagne cork 29 gasholder 29 Halemba mine 29 Krzowski 29 rodent burrows 29 coalmines 29 Haiphong Harbor 29 Taizhina mine 29 Floridian aquifer 29 Forir 29 underground caverns 29 undersea volcanic 29 Homestake Mine 29 coal mine 29 subterranean 29 overlying sedimentary 29 Alpazat caverns 29 Jittery commuters 29 miner Omar Reygadas 29 Donbass coalfield 29 radioactive thorium 29 Mponeng 29 Chornobyl reactor 29 ventilation shafts 29 MineTracer 29 shaft 29 disseminated pyrite mineralization 28 glasslike logs 28 limestone bedrock 28 Alimak 28 blastings 28 Renhe Commercial 28 graphitic pelites 28 Metro Teatralnaya 28 Mponeng mine 28 trilobite fossils 28 bituminous thermal 28 Swiridowsky windshield 28 boss Wang Guozheng 28 digging tunnels 28 pore spaces 28 caves sinkholes 28 tunnel 28 attics cellars 28 peut etre 28 Wilpinjong 28 Endako Pit 28 horizontal directional 28 Byzantine Greeks 28 wooden derrick 28 interceptor sewers 28 Liliesleaf Farm 28 Southern Kuzbass OAO 28 leaked tritium 28 highwall miner 28 Tong Gong 28 unheated basements 28 Mohamed Dhere 28 shallow aquifer 28 underground bunkers 28 Cochenour shaft 28 Huayuan mine 28 Cochinos 28 Tushino airfield 28 artesian spring 28 rapper MF Doom 28 sublevel 28 overground trains 28 mined 27 tunnelled 27 #.#km radius 27 Disused 27 tailings piles 27 underground lair 27 subsidences 27 Underground 27 Sufco 27 sandhog 27 Sandhogs 27 conical dome 27 Alliston Aquifer 27 subway tunnels 27 longhole stoping 27 Dominico Bollini 27 excavate 27 hydraulic fracturing fracking 27 helium leak 27 switchyards 27 volcanic ridge 27 Rescuer Zhao Chuan 27 Edgware Rd 27 colorless odorless radioactive 27 Pretreatment Facility 27 geologic formations 27 mineralizing fluids 27 belowground 27 magma cools 27 Vein widths 27 shafts 27 tonnage mined 27 Bloor Danforth 27 stoppings 27 cavern 27 mineshaft 27 vuggy silica breccias 27 mine shaft 27 rainwater seepage 27 passageways 27 anthracite mines 27 Supt Knowles 27 disused mines 26 trapped underground 26 Mangnan 26 flawed welds 26 Palika Bazar 26 faulty splice 26 groundwater aquifer 26 Tunnels 26 subterranean cavern 26 Zasyadko 26 freshwater aquifer 26 sewer manholes 26 magma chamber 26 Zegota 26 Jadugoda 26 flammable methane 26 Trapped Chilean miners 26 lava tube 26 Mayakovskaya 26 Colombia Cerrejon 26 caving expedition 26 underground vaults 26 longwall mine 26 methane gas 26 bullion Zwillinger 26 Burbank soundstage 26 banned Falungong spiritual 26 fibreoptic cables 26 ejector pump 26 trench 26 treeless hills south 26 miners entombed 26 escapeways 26 speleologists 26 digging 26 underground parking garages 26 sandhogs 26 tunnelers 26 aboveground 25 geothermally heated 25 sump pits 25 airshaft 25 Eglinton LRT 25 inhaling poisonous gas 25 resevoir 25 underground passageway 25 dense shale formations 25 contaminate aquifers 25 subcritical nuclear 25 highwall 25 disused 25 Electro Magnetic Pulse 25 watertable 25 tritium plume 25 Zhang Rongliang 25 tunnellers 25 roof bolters 25 Penza Region 25 Aldgate Station 25 subway 25 ventilation shaft 25 Fissure 25 potholers 25 caves 25 Sago explosion 25 Charing Cross Tube 25 Ballarat goldfields 25 captivated Chileans 25 mineshafts 24 Long Limin 24 Bernaquez 24 leaky feeder 24 flatirons 24 Transbay Tube 24 subaqueous 24 pyroclastic material 24 Deward Scott 24 Andrea Riveros 24 Beckley Pocahontas 24 underground bunker 24 Radioactive waste 24 Polokwane smelter 24 operator RATP 24 bobby traps 24 graphitic pelite 24 flammable vapors 24 Dotiki Mine 24 Huda Jama 24 Santo Toribio 24 impermeable membrane 24 RISCISO 24 Amandelbult 24 giant Cananea copper 24 penniless survivor 24 Esterhazy Saskatchewan 24 Subterranean 24 Pervomayskaya 24 catacomb 24 trench collapses 24 Priest Grotto 23 Chilean miner 23 crawlspaces 23 ruffled hem Spears 23 survive Carbin 23 electrical substation 23 Mwakenya 23 sewerage pipes 23 Toxic gases 23 Quecreek survivor 23 underground piping 23 Zokwana 23 dank tunnels 23 Zeche 23 stalactites stalagmites 23 spelunkers 23 corrugated metal pipe 23 dungeon 23 Asse II 23 caverns 23 tritiated water 23 MEOWS 23 breathable air 23 Genwal mine 23 dankest 23 Ram Prasad Mainali 23 filmmaker Emir Kusturica 22 named Omar Reygadas 22 steampipe 22 Louis DiBono 22 Chilean miners rescued 22 con crete 22 Northparkes mine 22 firedamp 22 Alum Pot 22 hydrologist Carolyn Driedger 22 noxious gasses 22 Smuggler Mine 22 subbasement 22 aboveground crypts 22 Zap Comix 22 poisonous gasses 22 undergrounds 22 doomsday sect 22 underground aquifer 21 pipe 21 candlelight prayer vigils 21 collectivist mentality 21 ventilation ducts 21 underconstruction 21 piping 21 bituminous coal mines 21 Cavern 21 miners 21 Wieliczka Salt Mine 21 catacombs 21 battered boxy Yugo 21 trapped miners 21 Stillhouse Mining 20 invisible odorless tasteless 20 leaking tritium 20 called mantrips 20 cave 20 hydro fracking 20 overground rail 20 UBB Mine 20 Precise measurements 20 Helga Konrad 20 leader Pyotr Kuznetsov 20 Rang Ghar 20 penstock 20 manholes 20 eyewitness Afzal Awan 19 InfoWorld Notes 19 Manholes 19 grease interceptor 19 HUNTINGTON UTAH 19 potholing 19 limestone aquifer 19 Chilean miners trapped 19 trapped Chilean miners 19 Degraves Street 19 Barn Elms 19 Pena jogged 19 Fallout Shelter 19 polygon shaped patterns 19 Joseph Bazalgette 19 cellars 19 smolder undetected 19 manhole 19 Juanes singer songwriter 18 overground 18 Eitan Livni 18 cicada nymphs 18 Manhole 18 dank basements 18 Operation Vula 18 airtight refuge 18 Cinderblock walls meant 17 madly inventive 17 spelunker 17 experienced caver 17 Anzac Day rockfall 17 proverbial canaries 17 spelunking expedition 16 raw sewage seeping 16 beneath 16 spokesman Karl Neddenien 15 bowels 15 murky depths 15 underworlds 14 Jamkaran 14 basement 14 basements 13 clandestine 13 dank 12 Amstetten west 12 samizdat 11 dark dank 10 billiard parlor 10 underworld