Related by context. All words. (Click for frequent words.) 72 Schaft Creek 68 Simuku 68 Meliadine West 67 Brucejack Project 67 Ntaka Hill 67 Zona Alta 67 Scadding Gold 67 Snowfield Zone 67 Kay Tanda 67 Uzboy 67 Kena Property 67 Ulaan Ovoo 67 Sinchao Property 67 Vaquillas 67 Goldpines North 67 Thor Trend 67 Tantamaco 67 Anuri kimberlite 66 Lone Pine Property 66 Njame 66 Onkelo 66 Wasamac property 66 South Minita 66 Hushamu 66 Cobre Grande 66 El Quevar project 66 Minita deposit 66 Bellekeno deposit 66 Yaxtche deposit 66 Accha deposit 66 Larder Lake Property 66 Zuun Mod molybdenum 66 copper molybdenum gold 66 Creston Molybdenum Deposit 66 Big Daddy Chromite 66 Azulitas 66 Zafranal 66 #-# compliant mineral 66 Prefeasibility Study 66 Mt Penck 66 Tonogold 66 Taurus Deposit 65 Atikwa Lake property 65 Shirotnaia 65 Gramalote 65 Nithi Mountain 65 Handeni Gold Trend 65 Freegold Mountain 65 Emba Derho 65 Nemegosenda 65 Pinaya 65 Las Bolas Los Hilos 65 Serrote Deposit 65 Gossan Hill 65 Tortigny 65 Kutcho Project 65 Las Bolas structure 65 molybdenum porphyry 65 Ccaccapaqui 65 Itigi Manyoni Uranium 65 Cosmo Howley 65 MMI geochemistry 65 Dombraly 65 potentially bulk mineable 65 Zuun Mod 65 Guayabales 65 geochemical surveying 65 Dadiangou 65 Pilanesberg Project 65 La Poma 65 Guazapares 65 Updated Feasibility Study 64 El Cometa 64 Bellekeno Mine 64 Brucejack 64 Nose Deposit 64 Bombore 64 Nordeau West 64 Preliminary metallurgical testwork 64 ST1 Zone 64 West Pequop 64 Jahodna 64 Upper Fir Carbonatite 64 UG2 reef 64 Alaskite 64 vanadium mineralization 64 Nechalacho deposit 64 open pitable 64 El Compas 64 Kerr Sulphurets 64 Au Cu mineralization 64 Tortigny deposit 64 Bellekeno 64 Tungsten Molybdenum 64 Shirotnaia zone 64 niobium mineralization 64 Barkerville Mountain 64 #WR# 64 Donkin Coal Project 64 CSAMT geophysical survey 64 airborne geophysical anomalies 64 Dubenski property 64 Uzboy gold deposit 64 Gitennes 64 Cumpie Hill 64 Skukum Creek 64 Kaukua 64 SAMEX 64 Taysan Project 64 Dogpaw Lake 64 Mouchalagane 64 outcropping mineralization 64 Picachos 64 Tatajuba 64 Oshiveli 64 Star Kimberlite 64 Geochemical sampling 64 Las Boquillas 64 Marge Vein 64 approximately #km# [002] 64 Lac Levac 64 Aappaluttoq 63 Croinor gold 63 Entree Gold 63 sulphide deposit 63 extensional drilling 63 Bankable Feasibility Study BFS 63 Kutcho 63 Granduc 63 Farellon 63 auriferous zones 63 Nyota Prospect 63 Riviere Dore 63 Kwanika 63 Haquira project 63 South Barnat 63 Kipawa Deposit 63 Prefeasibility 63 Corachapi 63 adit sampling 63 outcrop sampling 63 Malartic Lakeshore property 63 Canariaco Norte 63 Sulphide Project 63 La Currita 63 IOCG targets 63 #km 2D seismic 63 Dioulafoundou 63 NSGold 63 Shituru 63 Maybrun 63 Detailed geological mapping 63 Klaza property 63 nickel laterite mineralization 63 McFaulds Lake Property 63 Geological mapping 63 El Creston molybdenum 63 Measured Resources 63 mineable resource 63 La Bodega zone 63 Cañariaco Norte 63 Higo Blanco 63 surface mineable 63 Kakanda Project 63 Etango deposit 63 Tassawini 63 Greenschist Zone 63 Artillery Peak Manganese 63 Estrella Pit 63 Jumping Josephine 63 Mapimi 63 Minapampa Zone 63 mineralizations 63 Big Hurrah 63 volcanic stratigraphy 63 Toroparu Gold 63 Roughrider East 63 Hassai 63 Changkeng 63 Marban deposit 63 Colnic 63 Imwauna 63 Increible 6 63 Cerro Pelon 63 Kena Gold 63 Pidgeon Molybdenum Deposit 63 preliminary metallurgical testwork 63 Ni PGE 63 Porphyry Pearl 63 Sinivit Mine 63 Las Bolas 63 geologically mapped 63 Letitna 63 Canariaco 63 Rare Earth Element REE 63 Eldor Project 63 Mistassini property 63 Gahcho Kué 62 leachable copper 62 Harrier Underground 62 enzyme leach 62 open pittable gold 62 Renard cluster 62 surface geochemistry 62 Nickel Offsets Property 62 McClarty Lake 62 Cerro Las Minitas 62 Juanicipio Vein 62 Heruga deposit 62 bulk mineable gold 62 LaRonde II 62 Skukum 62 Troymet 62 Inmaculada Project 62 previously unsampled 62 approximately #km# [001] 62 Imwauna Project 62 Gramalote property 62 Kalana Mine 62 Javhlant license 62 Singida Gold Property 62 Pellivuoma 62 Canariaco Norte Copper 62 Mikwam 62 manganese mineralization 62 IP chargeability anomalies 62 Muirs Reef 62 Snowfield Project 62 Haquira Project 62 Kinsevere 62 Carheil 62 Bejucosa 62 Kangaluwi 62 Chucara 62 Lac Cinquante deposit 62 Afgan Kobeh 62 Sulphurets deposit 62 detailed geologic mapping 62 Sisson Brook 62 Pre Feasibility 62 Mineral Resource estimates 62 El Cuatro 62 palaeochannel 62 Culebrilla 62 M'Phatlele Project 62 Fayolle property 62 Igunda 62 Constancia Project 62 Calvario Vein 62 Pivert East 62 Mina Justa 62 Pucarana 62 Ni Cu PGM 62 geophysical interpretation 62 Bajo Negro 62 F2 Zone 62 epithermal gold targets 62 Urumalqui 62 Huarabagoo 62 mineable reserve 62 alkaline intrusive complex 62 VTEM targets 62 Cannivan Gulch 62 Dienemera 62 Yarumalito 62 Karchiga 62 Fayolle Project 62 sulfidation style 62 Orogrande Shear Zone 62 IOCG mineralization 62 Tres Juanes Norte 62 Renard kimberlite pipes 62 Drill Hole Results 62 Huajoto 62 Wellgreen 62 mineralized outcrops 62 soil geochemical survey 62 Geophysical surveys 62 delineation drill 62 induced polarization geophysics 62 supergene zone 62 molybdenite mineralization 62 Hoidas Lake 62 La Yaqui 62 open pittable 62 gold copper porphyry 62 Workman Bench 62 magnetite mineralization 62 Miguel Auza 62 Tiriganiaq deposit 62 Marban Block 62 polymetallic deposit 62 Allammaq 62 Breccia Ridge Zone 62 Calandria Sur 62 sulphide deposits 62 Fossey Zone 62 Mactung 62 Molybdenum Mineralization 62 copper sulphide 62 Detailed mapping 62 porphyry deposit 62 copper molybdenum mineralization 62 Mulatos Pit 62 Soil geochemistry 62 ODAE 62 Springpole Gold Project 62 Kobada 62 Minas Corani 62 Lipena 62 Clay Howells 62 Komahun 62 HPM Forgues Property 62 Toroparu 62 NE Wollaston 62 TSX VENTURE VMS 62 Positive Scoping Study 62 underground delineation drilling 62 alaskite 62 Piaba 62 Starvation Canyon 62 Artillery Peak 62 Cu Mo Au Ag 62 geophysical geochemical 62 Eastmain Mine 62 Titiribi 62 Yanque deposit 62 induced polarization geophysical 62 volcanic massive sulphide 62 Gongondy 62 Moris Mine 62 mapping trenching 62 Black Thor chromite 62 mineralized zones intersected 62 Kuriskova 62 tungsten mineralization 62 Adi Nefas 62 cobalt mineralization 62 Ouro Roxo 62 favorable stratigraphy 62 Lomada de Leiva 62 Croinor 62 Nakru 62 stream sediment geochemical 62 Soquem 62 Pantanillo 62 Koshaj 62 Emba Derho deposit 62 Rusk Zone 62 Debarwa 62 #-# Resource Estimate 62 Catface 61 potentially open pittable 61 Konkera 61 Vindaloo zone 61 Kerekounda 61 Kitsault molybdenum 61 La Morocha 61 leachable copper mineralization 61 CIM compliant 61 Southeast Pediment 61 Kipoi Central 61 Sleeping Giant Zone 61 Planchas de Plata 61 Niobium Deposit 61 Ga Phasha 61 Roughrider uranium 61 detailed airborne magnetic 61 Malundwe 61 Amaruk property 61 Serrote da Laje deposit 61 Hypogene 61 Angela Vein 61 Tocantinzinho 61 Pozo Seco 61 Haquira East 61 Tulks South 61 Taunus pit 61 Xietongmen deposit 61 Falea 61 Magistral Mine 61 surface trenching 61 Juanicipio Joint Venture 61 La Millonaria 61 massive sulphide horizon 61 Animas vein 61 Delineation drilling 61 Roughrider uranium deposit 61 La Mascota zone 61 Ida Dome 61 Selodong 61 Asmara Project 61 inferred resource estimate 61 Garrcon Project 61 Flin Flon Greenstone Belt 61 Upper Fir 61 Bisha Main 61 Ground geophysical surveys 61 excavator trenches 61 mineralized quartz veins 61 Yenipazar 61 Extension Occurrence 61 Adumbi Prospect 61 Golouma West 61 Tarakuli 61 Casa Berardi Mine 61 Breccia Zone 61 Goz Creek 61 West Cedartree Gold 61 Eagle Nest deposit 61 geological mapping sampling 61 Norlartic 61 rhyolite tuffs 61 Yaxtche zone 61 Bokan Dotson Ridge 61 Baruun Naran 61 Yoquivo Project 61 Louvicourt 61 Walsh Katrine 61 Timmins Porcupine West 61 potentially mineable 61 antimony mineralization 61 inferred resource calculation 61 Prestea Underground 61 Montanore 61 Bronson Slope 61 Beaufield 61 Beetaloo Basin 61 La Yegua 61 Nueva Caledonia 61 Junnagunna 61 Opinaca Nord 61 Mineral Gulch 61 Goulds Dam 61 Santa Pancha 61 aircore drilling 61 mineralized shear zones 61 Chimiwungo 61 Silica Ridge 61 airborne magnetic anomalies 61 Copaquire 61 IP geophysical 61 Goldcliff 61 Marathon PGM Cu 61 Nueva Concepcion 61 Valle Esperanza 61 Cassiar Gold Camp 61 auger sampling 61 Borosi 61 Ulaan Ovoo coal 61 Mineralized zones 61 Boseto Copper Project 61 Escalones 61 Handcamp 61 Freewest Option 61 La Jojoba 61 Lower Footwall Zone 61 Kospi vein 61 Bigrlyi 61 silver indium 61 Lakanfla 61 gold porphyry mineralization 61 Turnagain deposit 61 Somituri Project 61 Daneros 61 Highbank Lake 61 bulk minable 61 minable reserve 61 mineralized corridor 61 magmatic nickel copper 61 Ample Goldmax 61 Aguila Cu Mo 61 Nariin Sukhait 61 Barsele 61 Los Amoles property 61 NGEx 61 Geologic mapping 61 El Creston Molybdenum 61 Moly Brook 61 Foy Offset Dike 61 Lac Levac property 61 Bjorkdal 61 Hotish 61 TerraX 61 airborne radiometric survey 61 Quebrada Verde 61 Brucejack Area 61 Ultramafic Zone 61 3D Induced Polarization 61 El Creston 61 induced polarization anomalies 61 Hurdman Property 61 Cieneguita 61 Kihitian 61 strikelength 61 lithogeochemical 61 Angostura deposit 61 Sulphide mineralization 61 Navidad Project 61 Fayolle Property 61 T'Boli gold silver 61 Quebrada Blanca 61 Cerro Chorcha 61 Beyondie Project 61 bearing sulphide mineralization 61 Haukiaho 61 Cerro Moly 61 Agi Dagi 61 TiTac 61 Caspiche 61 Luz del Cobre 61 Alaskite Zone 61 Piaba deposit 61 Vynohradiv 61 Quimsacocha 61 Manzako 61 LaRonde mine 61 Stora Sahavaara 61 Anchaca 61 Tumpangpitu 61 disseminated sulphide mineralization 60 Merensky Reef 60 Micrex 60 Hosco pit 60 WBJV 60 Preliminary Scoping Study 60 ground magnetics 60 Storie Property 60 Goldpines 60 Senior Geochemist 60 Sulfato 60 Sierra Mojada 60 Magino Mine 60 Lockerby Depth 60 Golouma South 60 Clavos 60 Hambok 60 IP Resistivity 60 Lamaque property 60 Siribaya mega structure 60 NI #-# Resource Estimate 60 Ciresata 60 Kutcho Creek 60 heap leachable 60 Kavola East 60 Cu Au mineralization 60 Cluff Lake 60 Dingo Peak 60 Pan de Azucar 60 Nixon Bartleman 60 chromite horizon 60 mineralized shear zone 60 Aranzazu Project 60 Hadal Awatib 60 Macusani Yellowcake 60 Mt Nakru 60 ESO Uranium 60 Oxide Zinc 60 NN Zone 60 Lapaska property 60 Capoose 60 silica pyrite 60 Ixtaca zone 60 NI #-# compliant inferred 60 Ag Pb Zn 60 Aricheng West 60 3D induced polarization 60 Cerro Maricunga 60 Bellechasse Timmins 60 Palmarito Project 60 Heruga 60 ZTEM survey 60 Agbaou 60 Chloride Copper Mine 60 Lynx Hibou system 60 Ni Cu PGM mineralization 60 StrikePoint 60 Obuasi Property 60 Canatuan mine 60 Ayelen Vein 60 Pampa Poroma 60 FMEC 60 Forestel Zone 60 Takom Zone 60 Nabeba 60 Belleterre 60 Dukwe Project 60 Las Minitas 60 Meliadine 60 Frankfield East 60 Avion Tabakoto 60 Mina Vieja 60 Gaoua copper gold 60 Megatem 60 mineralized outcrop 60 Manzako Prospect 60 Penasco Quemado 60 Fieldex 60 Hannukainen 60 La Preciosa silver 60 Djambaye II 60 Kemess Underground 60 Thelon Basin 60 Ketza River 60 CSAMT 60 Yanfolila 60 Condor de Oro 60 Inata 60 Agua Branca 60 Luhala 60 Vizcachitas 60 Xietongmen 60 Sahavaara 60 Aricheng C 60 Dargues Reef 60 Cerro de Oro 60 Gramalote Ridge Zone 60 calcrete sampling 60 NEVADO 60 rockchip 60 Mineral Resource Estimates 60 Gurvanbulag 60 Vortex Zone 60 Halfmile 60 Cobrecon 60 Karchiga Project 60 Canadian Malartic 60 bulk mineable 60 infill sampling 60 Represa deposit 60 BCGold 60 Croxall Property 60 Silverstreams 60 Cerro Prieto 60 Savkino 60 volcanogenic massive sulfide VMS 60 HPM Forgues property 60 Updated Resource Estimate 60 Mankranho concession 60 El Domo deposit 60 holes #WR# 60 Pinguino property 60 Youanmi 60 Pre Feasibility Study 60 Inferred Resource estimate 60 IOCGU 60 Goldbanks 60 Beiya North 60 Iron Titanium Vanadium 60 Lac Pau 60 PdA Extension 60 KSK CoW 60 ultramafic intrusives 60 Zamora Batholith 60 Nasedkino 60 Kiena mine 60 Onjuul 60 soil geochemistry anomaly 60 airborne electromagnetic EM 60 surface geochemical anomalies 60 borehole geophysics 60 JORC resource 60 Norrliden Polymetallic Deposit 60 Lluvia de Oro 60 Beartooth Island 60 JORC Code compliant 60 diamond drillholes 60 Barre de Fer 60 EM conductors 60 Ciresata deposit 60 Courageous Lake 60 dipole dipole IP 60 KeMag 60 Aurizon Casa Berardi 60 MMI anomalies 60 footwall zones 60 kimberlitic bodies 60 Kasala Project 60 Lugushwa 60 carbonatite complex 60 IP geophysics 60 Lupoto 60 PGM mineralization 60 McFauld 60 silver equivalent AgEq 60 Fabie Bay 60 UPINOR 60 Leduc Formation 60 mineralized skarn 60 Manfo Property 60 VTEM airborne geophysical 60 silica breccia 60 Peppler Lake 60 Kwanika copper gold 60 Stratmat 60 Kibi Project 60 Kaunisvaara Project 60 tungsten molybdenum 60 McFaulds Lake 60 gossans 60 hematite mineralization 60 Scheelite Dome 60 Marban Block property 60 Frasergold Project 60 IP induced polarization 60 VTEM geophysical survey 60 Strateco Matoush 60 Preliminary Feasibility Study 60 Osisko Releases 60 Yaxtché zone 60 Rio Zarza 60 stratigraphically below 60 polymetallic mineralization 60 Infill Drilling 60 Resource Estimation 60 Estrades 60 Brookbank Gold 60 Djambaye 2 60 airborne magnetic electromagnetic 60 detailed airborne geophysical 60 Silverjack 60 Cauchari Olaroz 60 Skyharbour Resources 60 Norpax Deposit 60 Longitudinal Section 60 Canasta Dorada 60 Porcupine Joint Venture 60 VTEM surveys 60 Carotare 60 drillholes totaling 60 Otish Uranium 60 Luiri Hill 60 Freegold Mountain Project 60 quartz tourmaline veins 60 TSX VENTURE RK Rockhaven 60 Lac Mantouchiche uranium 60 Diabase Peninsula 60 Mankarga 60 IP chargeability anomaly 60 Barite Hill 60 Cannu zone 60 REE mineralization 60 Flordin 60 anomalous geochemical 60 Akie property 60 Porphyry Project 60 trending mineralized 60 AHGZ 60 Angostura Project 60 geophysical conductors 60 NI #-# Mineral Resource 60 Cu Zn Ag 60 LONG Bars 60 Chalcopyrite 60 Bald Butte 60 Ouro Verde deposit 60 Gahcho Kué diamond 60 Miwah Gold Zone 60 Footwall Zone 60 PGM deposits 60 Marmato Mountain 60 massive sulphide deposit 60 tenement E#/# 60 Groundhog coal 60 bulk tonnage mineralization 59 Opinaca reservoir 59 Langmuir Nickel Discovery 59 Bulk sampling 59 JORC compliant resource 59 Casa Berardi mine 59 Zn Ag 59 wholly owned Snowfield 59 Efemcukuru 59 Drill intersections 59 Tapuli Stora Sahavaara 59 coincident geophysical 59 Nopalera 59 downdip extension 59 Mount Klappan 59 Kelex 59 Pelusa Property 59 laterite mineralization 59 Fermont Iron Property 59 Pb Zn 59 kimberlite dyke 59 Nambija 59 Dak Sa 59 Norpax 59 Induced Polarization 59 Au Cu Ag 59 Klappibacken 59 Aircore drilling 59 Cosmo Deeps 59 NI #-# Indicated Resource 59 Paymaster Canyon 59 Isintok property 59 NYSE Amex FRG 59 airborne radiometric magnetic 59 IP geophysical surveys 59 Pivert Rose property 59 Dachang Main Zone 59 quartz pyrite veins 59 Sudbury Joint Venture 59 VTEM anomalies 59 Mineral Deposit 59 Chepica 59 Xstrata Copper Las Bambas 59 JORC compliant mineral 59 Don Ese 59 mineralized stratigraphy 59 Nyafe 59 geological mapping trenching 59 M'Phatlele 59 drill hole SADD# 59 Hounde 59 Quartz Mining 59 geochemical assays 59 CANALASKA URANIUM LTD 59 DAC Deposit 59 Tuqueque 1X 59 Joel Scodnick P.Geo 59 magnetite gneiss 59 Kierens 59 maiden JORC resource 59 Itafos 59 Scott Wilson RPA 59 IP Resistivity survey 59 Klaza Zone 59 Heruga Deposit 59 Breccia Ridge 59 Gibraltar copper molybdenum 59 AeroTEM III 59 Renard Diamond 59 Drybones Bay 59 Kaniago 59 Surface sampling 59 Curipamba Project 59 Mkuju River Project 59 Upper Vein 59 Bankable Feasibility Study 59 Urumalqui Vein 59 Bouroum 59 Sugarloaf Peak 59 Inferred Category 59 Molejon 59 Pokukrom West 59 Lockerby Depth Zone 59 geophysical interpretations 59 Wicheeda 59 Aurizona 59 Tonkin Springs 59 Avnel Gold 59 Hole HB# 59 Leprechaun Deposit 59 El Domo 59 PacBay 59 Inferred Mineral Resource Estimate 59 Chucapaca 59 granodiorite intrusive 59 Gullewa 59 Sleeping Giant Mine 59 Curipamba 59 Airborne Geophysical Survey 59 vein stockworks 59 Tepal project 59 DE BEIRA 59 Roughrider Deposit 59 Minago Nose Deposit 59 La Mascota 59 Resource Calculation 59 Kasala Main Zone 59 Cassiar Moly property 59 Lac Herbin mine 59 Scoping Study 59 Sisorta 59 HPM Forgues Nickel 59 Sulphide Shear Zone 59 REE mineralized 59 Handcamp property 59 Lalor deposit 59 geological geochemical 59 SEDEX zinc lead 59 skarn deposit 59 mineral zonation 59 Suurikuusikko 59 Induced Polarisation IP 59 Kourouloulou 59 Ridgetop deposit 59 Exploration Drilling 59 JORC resource estimate 59 Colpayoc 59 Mineral Resource Statement 59 Bucko Deposit 59 Haquira 59 Leitch Sand River 59 Pucamayo 59 TSX VENTURE PTU 59 Cachinal 59 magnetic geophysical surveys 59 mineralized breccias 59 Chrysos 59 Dubenski Shaft Zone 59 uranium mineralization intersected 59 mesothermal quartz veins 59 Dorothy Dobie 59 Private Placement Oversubscribed 59 Fofina 59 Brimstone leach pad 59 Goldwedge 59 Metallurgical testwork 59 Raglan Horizon 59 Kenge Target 59 Nfante East 59 sulphide occurrences 59 Gatsuurt 59 geological interpretations 59 sulphide mineral 59 Passendro 59 Canariaco Norte copper 59 Voigtberg 59 Deflector deposit 59 Kun Manie 59 geochemical anomaly 59 Segala deposit 59 #,# acre Angilak 59 Bracemac McLeod 59 Etango Project 59 Eldor Carbonatite 59 Dingman Property 59 Avnel 59 MNFWZ 59 Encino Vein 59 reconnaissance mapping 59 Banded Iron Formation 59 IP geophysical anomaly 59 Valdecanas Vein 59 unpatented lode claims 59 mineralized alteration 59 JORC Resource 59 Corani silver 59 Canariaco Norte deposit 59 Nkout 59 Beyinhar 59 Malartic Goldfields 59 Destor Porcupine fault 59 assessment PEA 59 Dublin Gulch 59 Gahcho Kue 59 Lac Laparre 59 Kiggavik deposits 59 hole RR# 59 El Colmillo 59 Pulacayo deposit 59 induced polarization surveys 59 Luhwaika 59 El Quevar 59 Fold Nose 59 Sulphides 59 Lobo Marte 59 MagPotash 59 Cubiro 59 prospecting trenching 59 Stockwork 59 Mowana Mine 59 aircore holes 59 Pitaloza 59 Reverse Circulation drilling 59 Drill Hole Locations 59 Conglomerate Mesa 59 prefeasibility study 59 NI #-# Compliant 59 Lac Pelletier 59 El Tecomate 59 surface bulk tonnage 59 Las Bolas deposit 59 De Bron 59 Opikeigen 59 Arae Gassel 59 Belleterre Mine property 59 prolific Carlin Trend 59 Los Zorros 59 mechanical trenching 59 VTEM geophysical 59 Wona SW Zone 59 WDC# 59 Encino Gordo 59 Hosco deposit 59 Tucuma Property 59 mineralized drill intercepts 59 Oyu Tolgoi mineralized 59 Besakoa 59 Shining Tree Gold 59 Carbonatite Complex 59 stockwork breccia 59 Xstrata Nickel Raglan Mine 59 Encanto Zone 59 excavator trenching 59 sylvinite 59 drillhole database