BLEG sampling

Related by string. * bleg : recent guest bleg . BLEG / sampled . sampler . Sampler . Sampling . Sampled . SAMPLING . SAMPLER . Sampl : sampling error margin . soil sampling . soil geochemical sampling . bulk sampling . random sampling . sampling analytical . theoretical sampling error . geochemical sampling . FSIS microbiological sampling . sediment sampling . trench sampling . randomly sampled * *

Related by context. All words. (Click for frequent words.) 66 aircore drilling 66 soil geochemical sampling 66 Aircore drilling 65 Geophysical surveys 65 geochemical surveying 64 detailed geologic mapping 64 geochemical sampling 64 trench sampling 64 Soil sampling 64 RAB drilling 63 soil geochemical survey 63 soil geochemical surveys 63 Reverse Circulation drilling 63 surface geochemical sampling 63 geological modeling 63 extensional drilling 63 delineation drill 63 infill sampling 63 Bulk sampling 62 outcrop sampling 62 soil geochemical anomalies 62 Ground geophysical surveys 62 airborne geophysics 62 auger drilling 62 excavator trenching 62 reconnaissance prospecting 62 stepout drilling 62 airborne geophysical anomalies 62 Infill drilling 62 surface trenching 62 mapping prospecting 62 detailed geological mapping 62 mechanical trenching 61 aircore holes 61 prospecting mapping 61 ground geophysical surveys 61 Geochemical sampling 61 geophysical geochemical 61 VTEM surveys 61 Bulk Leach Extractable 61 geological reconnaissance 61 geologic mapping 60 Urumalqui 60 RC drill 60 IP geophysical 60 surface outcrops 60 stream sediment 60 infill drill 60 mechanized trenching 60 CSAMT geophysical survey 60 soil geochemistry 60 Metallurgical testwork 60 geochemical anomalies 60 manganese mineralization 60 Onkelo 60 stream sediment geochemical 60 flotation testwork 60 Cobrecon 60 IP resistivity 60 ground geophysical surveying 60 Bejucosa 60 metallurgical testwork 60 sampling trenching 60 IP chargeability anomalies 60 RC drilling 60 geochem anomalies 60 Geological mapping 60 VTEM airborne survey 60 prospecting geological mapping 60 diamond drillholes 59 IP geophysics 59 infill holes 59 airborne electromagnetic survey 59 geophysical surveying 59 Bellekeno 59 geochemical soil 59 Cerro la Paila 59 auger sampling 59 soil geochemical 59 JORC resource estimate 59 Muirs Reef 59 delineation drilling 59 aeromagnetic survey 59 geochemical surveys 59 geophysical surveys 59 ground magnetics 59 IP geophysical surveys 59 IP Resistivity survey 59 Reverse Circulation RC 59 stream sediment geochemistry 59 Letitna 59 Guayabales 59 Konkera 59 Induced Polarization IP 59 Reverse Circulation 58 Preliminary metallurgical testwork 58 geophysical targets 58 reconnaissance mapping 58 geological mapping prospecting 58 airborne geophysical surveys 58 Oshiveli 58 diamond drilling 58 RC drillholes 58 Kangaluwi 58 airborne radiometric anomalies 58 Delineation drilling 58 Induced Polarization 58 induced polarization geophysics 58 kimberlite discoveries 58 aeromagnetic data 58 mineralogical studies 58 CSAMT survey 58 anomalous zones 58 copper anomalism 58 auger drill 58 Prefeasibility 58 Aurizona Main 58 Dubenski 58 resource delineation drilling 58 VTEM targets 58 adit sampling 58 Nakru 58 disseminated sulphide mineralization 58 Kay Tanda 58 Cerro Pelon 58 Dombraly 58 Dioulafoundou 58 Chapadao 58 Butte Highlands 58 Lac Herbin 58 Surface sampling 58 El Compas 58 ODAE 58 ground geophysics 58 aircore 58 VTEM anomalies 58 Kaniago 58 VTEM 57 Geologic mapping 57 Preliminary metallurgical 57 poly metallic mineralization 57 Preliminary Scoping Study 57 Carotare 57 induced polarization 57 induced polarization survey 57 bulk sampling 57 geological interpretations 57 Bracemac McLeod 57 Tantamaco 57 soil sampling trenching 57 geochem 57 gravity anomalies 57 geochemical 57 Talat Gadalla 57 Promontorio 57 Gongondy 57 mapping trenching 57 mineralized intrusive 57 EM conductors 57 airborne radiometric survey 57 Nkout 57 conductive zones 57 geophysical anomalies 57 South Minita 57 Tres Juanes 57 radiometric surveys 57 induced polarization geophysical 57 Lac Herbin mine 57 EM anomalies 57 Pasacancha Ag Au 57 airborne magnetic survey 57 alluvials 57 inferred resource calculation 57 infill drilling 57 ZTEM survey 57 South Barnat 57 drillholes 57 gold bearing gravels 57 Detailed mapping 57 Calvario Vein 57 massive sulphide lenses 57 Golouma West 57 geochemical geophysical 57 Calandria Sur 57 Calandria Norte 57 Higo Blanco 57 Starvation Canyon 57 Drill Hole Locations 57 induced polarization IP 57 airborne VTEM survey 57 magnetometer survey 57 basal till 57 Kavola East 57 Bellekeno deposit 57 airborne geophysical 57 Las Boquillas 57 Sian Praso 57 soil sampling 57 calcrete sampling 57 resource estimation 57 soil anomalies 56 KIMs 56 Geophysical surveying 56 Soil geochemical 56 airborne geophysical survey 56 Ouro Roxo 56 hematite mineralization 56 Magambazi 56 chargeability anomalies 56 Aappaluttoq 56 Golouma South 56 EM geophysical survey 56 preliminary metallurgical testwork 56 Ground geophysics 56 lithogeochemical 56 Sinivit 56 airborne EM 56 induced polarization surveys 56 Takom 56 PGM mineralization 56 Nucleus Zone 56 IP induced polarization 56 BLEG 56 Kobada Mali 56 auger geochemical 56 radiometric anomalies 56 Pokukrom East 56 geophysical interpretation 56 Beartooth Island 56 Cu Ni 56 geochemically anomalous 56 Pre Feasibility 56 drillholes totaling 56 UTEM 56 VTEM survey 56 eluvial material 56 aircore drill 56 Eleckra 56 kimberlite float 56 Leprechaun Deposit 56 Dogpaw No. 56 airborne EM surveys 56 Shirotnaia 56 BHEM surveys 56 bulk mineable gold 56 Emba Derho 56 Au Cu mineralization 56 aeromagnetic anomalies 56 Sesmo Sur 56 mineable resource 56 DUB# 56 soil anomalism 56 Dogpaw Lake 56 silica pyrite 56 geological mapping geochemistry 56 inversion modeling 56 Tagpura 56 IP Resistivity 56 Electromagnetic EM 56 Yaramoko 56 Cheowa 56 Fobiri 56 geochemical samples 56 geochemical assay 56 Zuun Mod molybdenum 56 mapping geochemical sampling 56 open pittable 56 Bankable Feasibility Study BFS 56 anomalism 56 Santa Eduviges 56 radiometric survey 56 Cata Clavo 56 mineralization encountered 56 IOCGU 56 mineralized skarn 56 Los Candelones 56 Tajos Cuates 56 enzyme leach 56 mineralized zones intersected 55 surface geochemistry 55 Meliadine West 55 Merensky reef 55 Cu Zn Ag 55 Simuku 55 Aguila Cu Mo 55 maiden JORC resource 55 Prefeasibility Study 55 Guanajuatito 55 Takom Zone 55 airborne magnetic anomalies 55 Mankarga 55 Dienemera 55 IOCG targets 55 massive sulphide intersections 55 mineralizations 55 induced polarization geophysical surveys 55 holes #WR# 55 Planchas de Plata 55 gossans 55 geological mapping 55 km2 3D seismic 55 magnetite mineralization 55 systematic geochemical sampling 55 geophysical survey 55 MegaTEM 55 open pitable 55 La Morocha 55 Cobre Grande 55 dipole dipole IP 55 Vaquillas 55 Artavasdes 55 mineralized outcrops 55 radiometrics 55 Nyota Prospect 55 aeromagnetic surveys 55 Piaba 55 induced polarization anomalies 55 Pantanillo 55 Tarachi 55 Airborne Survey 55 Bonanza Ledge 55 Malrok 55 Detailed geological mapping 55 resource delineation 55 stope preparation 55 artisanal workings 55 sulphide bearing 55 Zafranal 55 nickel sulphide mineralization 55 kimberlite dykes 55 Tres Juanes Norte 55 detailed aeromagnetic survey 55 Las Carolinas 55 Segala Main 55 reverse circulation 55 InfiniTEM survey 55 IP resistivity survey 55 IP Induced Polarization 55 Filo de Oro 55 Au Cu 55 Freegold Mountain 55 calcrete 55 Assay Results 55 Quantec Geoscience 55 Preliminary Feasibility Study 55 Niakafiri 55 Nabeba 55 Yanfolila 55 PGE mineralization 55 uraniferous 55 Mato Velho 55 airborne geophysical surveying 55 CSAMT 55 Snowfield Zone 55 Wasamac property 55 Pyrrhotite 55 El Quevar project 55 MEGATEM survey 55 Isambara 55 Kerekounda 55 Merensky Reef 55 Early Joli Fou 55 El Domo deposit 55 Dadiangou 55 geochemistry anomalies 55 Paboase 55 Cumpie Hill 55 mineralized quartz veins 55 Inata 55 Las Bolas 55 Dubenski Shaft Zone 55 corehole 55 Soquem 55 Southeast Pediment 55 Taricori 55 resistivity anomalies 55 garimpeiro workings 55 bearing sulphide mineralization 55 samples assayed 55 Koshaj 55 gold copper porphyry 55 auriferous zones 55 Starter Pit 55 El Creston 55 Airborne geophysics 55 Silverstreams 55 Z TEM 55 Brucejack Project 55 Mt Penck 54 Geophysical Survey 54 drill hole RMZ# 54 Cockroach Dam 54 Ultramafic Zone 54 Solotomo 54 Kiena mine 54 macrodiamond 54 Testwork 54 Induced Polarisation IP 54 Systematic sampling 54 Pellivuoma 54 conductive anomalies 54 diamond drillhole 54 Wattle Dam 54 Cu Au 54 gold anomalism 54 mineralized shear zones 54 Ccaccapaqui 54 Pitaloza 54 copper sulphide 54 grade drill intercepts 54 mineralized diatreme breccia 54 Roughrider uranium deposit 54 stratigraphic horizons 54 oxide mineralization 54 Imwauna 54 Luhala 54 GG6 54 magnetic geophysical surveys 54 prospecting trenching 54 Grota Seca 54 ground radiometric surveys 54 Hadal Awatib 54 Fofina 54 Sicera Sur 54 VTEM airborne surveys 54 sulphide zones 54 geochemical assays 54 Bajo Negro 54 Singida Gold Property 54 Kwanika 54 airborne electromagnetic 54 magnetometer surveys 54 Cu Au mineralization 54 geological mapping trenching 54 Lone Pine Property 54 vuggy quartz 54 Marta Norte 54 ground radiometric surveying 54 mineralized intercepts 54 Adi Rassi copper 54 Quebrada Verde 54 Barkerville Mountain 54 Hushamu 54 Clay Howells 54 VTEM airborne 54 Colnic 54 Breccia Ridge Zone 54 Rojo Grande 54 Tuvatu 54 airborne magnetic surveys 54 Kutcho Project 54 Metallurgical Testwork 54 epithermal veins 54 airborne magnetometer survey 54 Pampacancha 54 Footwall Zone 54 alteration zones 54 El Cometa 54 #m@#.# g t Au [001] 54 holes MM# 54 detailed airborne magnetic 54 Vein Zone 54 Overburden removal 54 mineralized breccias 54 Fracture stimulation 54 Magusi deposit 54 Akasaba 54 Naciente Quebrada Pedregosa 54 Sabodala 54 updated #-# compliant 54 3D Induced Polarization 54 Huarabagoo 54 Nfante East 54 Minapampa East 54 Enzyme Leach 54 Sambaru 54 trenching sampling 54 epithermal gold mineralization 54 minable reserve 54 quartz stockworks 54 Niakafiri Southeast 54 Quantec Titan 54 airborne anomalies 54 West Pequop 54 kimberlite indicator minerals 54 Gossan Hill 54 Marban deposit 54 Podolsky Mine 54 Veta Minitas 54 Goldpines North 54 geochemical anomaly 54 meters@#.# g t [001] 54 anomalies coincident 54 Larder Lake Property 54 Amaruk 54 Ni Cu Co 54 chromite mineralization 54 #m@#.# g t [004] 54 uranium vanadium mineralization 54 F2 Zone 54 geophysical signatures 54 UTEM survey 54 Sulphide mineralization 54 Handeni Gold Trend 54 geological mapping sampling 54 potentially bulk mineable 54 NI #-# Resource Estimate 54 NAD# [002] 54 previously unsampled 54 Pozo Seco 54 Kuriskova 54 backhoe trenching 54 Riscos de Oro 54 Handcamp 54 Sidace Lake 54 resistivity surveys 54 kimberlitic indicator minerals 54 Rusk Zone 54 #m@#.# g t [002] 54 Colquipucro 54 Tulu Kapi 54 Cuiu Cuiu 54 downhole geophysical 54 geologic modeling 54 Igunda 54 Haquira East 54 PdA Extension 54 Okohongo 54 kimberlitic 53 MMI geochemistry 53 sulphide occurrences 53 Kanosak 53 AHGZ 53 Tiriganiaq deposit 53 platinum palladium mineralization 53 regolith mapping 53 REE mineralization 53 magnetic anomalies 53 anomalous mineralization 53 MMI soil geochemical 53 Main Homestake 53 Sissingue 53 stringer mineralization 53 JORC Code compliant 53 Assays 53 Surface trenching 53 resolution airborne magnetic 53 polymetallic mineralization 53 vuggy silica 53 lateral extensions 53 mineralized occurrences 53 bearing breccias 53 Njame 53 Ruhuhu 53 electromagnetic surveys 53 testwork 53 Mirzaani # 53 massive sulphide horizon 53 Tabita Prospect 53 Fayolle Project 53 Nueva Caledonia 53 outcropping mineralization 53 Skukum 53 Epithermal 53 coincident magnetic 53 copper skarn 53 magnetite alteration 53 sheeted quartz 53 Guayabito 53 Upper Vein 53 Tassawini 53 Brucejack 53 bulk tonnage mineralization 53 drillhole 53 Yandera 53 Marta Este 53 Bigrlyi 53 BHEM 53 porphyry mineralization 53 soil geochemistry surveys 53 2D seismic survey 53 Breccia Zone 53 Guadalupe Manto 53 sulphide mineralization intersected 53 Megatem 53 Junnagunna 53 Inferred Resource estimate 53 drill intercepts 53 Ntaka Hill 53 relogging 53 anomalous uranium 53 downdip extension 53 REE mineralized 53 vanadium mineralization 53 Jumping Josephine 53 itabirite 53 resolution aeromagnetic survey 53 Highbank Lake 53 Airborne Geophysical Survey 53 bulldozer trenching 53 Aranzazu Project 53 cobalt mineralization 53 Lac Mantouchiche uranium 53 conductivity anomalies 53 geologically mapped 53 gossan 53 DDH# [002] 53 mineralized outcrop 53 Nithi Mountain 53 Yanque 53 airborne magnetic 53 potentially mineable 53 sediment sampling 53 kimberlite dyke 53 MMI anomalies 53 #g t Au [001] 53 VTEM geophysical survey 53 skarn mineralization 53 Okohongo target 53 Kenge Target 53 Mankarga 5 53 Reverse Circulation Drilling 53 Resource Calculation 53 Stockwork 53 resistivity surveying 53 #m@#.#g t gold [002] 53 Ida Dome 53 Significant assay 53 chromitite 53 metres@#.# g t [001] 53 ANIT 53 Cu Au Mo 53 Batoto 53 macrodiamonds 53 Infill Drilling 53 bulk minable 53 Veta Madre 53 Barsele 53 Canariaco 53 excavator trenches 53 Segala deposit 53 Grade Mineralization 53 Calcite Hill 53 Banded Iron Formation 53 Mina Justa 53 Toro Gregorio 53 airborne electromagnetic anomalies 53 Ronguen 53 WDC# 53 Hotish 53 Diabase Peninsula uranium 53 Juanicipio Vein 53 Drilling Encounters 53 airborne radiometric magnetic 53 hole WDC# 53 Abitibi Geophysics 53 geophysical conductors 53 Luhwaika 53 3D induced polarization 53 Pampa Sur 53 Uzboy 53 Roughrider East 53 Benzdorp 53 Adumbi Prospect 53 magnetic electromagnetic 53 Bankable Feasibility Study 53 electromagnetic conductors 53 Pan de Azucar 53 Alaskite Zone 53 VTEM anomaly 53 antimony mineralization 53 mineralized quartz vein 53 Pinwheel Zone 53 Gradient Array 53 subcrop 53 Anuri kimberlite 53 Kenge target 53 Discovery Outcrop 53 VTEM airborne geophysical 53 Ciresata 53 Drill intersections 53 Silverjack 53 auriferous 53 Condor de Oro 53 Caracucho 53 IP geophysical anomalies 53 Kutcho 53 Nyafe 53 Definition Drilling 53 holes #RB# 53 gold mineralization intersected 53 #-# compliant resource 53 airborne radiometrics 53 copper molybdenum porphyry 53 eluvial 53 Preliminary Assessment PA 52 Western Porphyry Zone 52 El Orito 52 Minera Afrodita 52 EM conductor 52 poly metallic 52 hydrothermal brecciation 52 Barite Hill 52 magnetometric 52 Induced Polarisation 52 microdiamonds 52 gossanous 52 trenching mapping 52 vein swarms 52 drillhole intersections 52 NQ diamond drill 52 metallurgical testing 52 Mongora 52 Ground truthing 52 Paardeberg East 52 breccia mineralization 52 QDD Lower West 52 MPD# 52 Pringle Bench 52 Singida Gold Project 52 termite mound sampling 52 mineralized breccia 52 airborne magnetics 52 drillcore 52 underground delineation drilling 52 Inlice 52 Pinaya 52 Norpax Deposit 52 Klaza property 52 LURC# 52 molybdenum mineralization 52 microdiamond results 52 De Bron 52 bulk mineable 52 Santa Eduwiges 52 Bepkong 52 Nyieme 52 #m@#.#g t Au [004] 52 Wona SW Zone 52 Ag Pb Zn 52 Roxgold 52 inferred resource estimate 52 copper porphyry mineralization 52 massive sulphide mineralization 52 #km 2D seismic 52 syn rift 52 porphyry Cu Au 52 penetrating geophysical 52 TerraX 52 aeromagnetic 52 assays 52 kilometer 2D seismic 52 molybdenum porphyry 52 McFauld 52 Mobile Metal Ions 52 Soil geochemistry 52 Ni Cu 52 aircore drill holes 52 mineralized alteration 52 Dory Pond 52 Manfo Property 52 NQ diamond 52 gold geochemical anomalies 52 Mineral Resource estimation 52 East Acma 52 sulfide mineralization 52 airborne radiometric 52 Black Thor chromite 52 Snowfield Project 52 REE bearing 52 copper molybdenum gold 52 Agbaou 52 overburden sampling 52 airborne EM survey 52 Pinguino property 52 Bokan Dotson Ridge 52 wallrock 52 soil geochemical anomaly 52 Lac Cinquante deposit 52 Sipopok 52 Eaglehead Property 52 F2 Core 52 Yarumalito 52 outcrop exposures 52 Rare Earth Element 52 reconnaissance geological mapping 52 #-# compliant mineral 52 Eagle Nest deposit 52 airborne radiometric surveys 52 radiometric anomaly 52 Mineralized zones 52 electromagnetic surveying 52 Kiaka 52 mineralized intersections 52 NE Wollaston 52 drill holes 52 supergene mineralization 52 Croinor gold 52 sulphosalts 52 Induced Polarization Survey 52 sylvinite 52 Lac Pau 52 epithermal silver 52 Webbs Silver 52 palaeochannels 52 saprolite 52 Lipena 52 Fauro Island 52 footwall zones 52 rockchip 52 airborne electro magnetic 52 electromagnetic geophysical surveys 52 uranium mineralization intersected 52 El Orito vein 52 bulk minable gold 52 Brauna 52 Turnor Lake 52 Silica Ridge 52 Beardmore Geraldton 52 DDHs 52 Cretaceous reservoir 52 metres@#.# g t [003] 52 copper mineralization intersected 52 Volta Grande 52 anomalous soil geochemistry 52 mineralogical analysis 52 diamond drill 52 ground magnetometer surveys 52 surface geochemical anomalies 52 Frasers Underground 52 Kena Copper 52 El Orito Norte 52 MR# #C 52 Ollachea Project 52 Thor Trend 52 trenching 52 Emba Derho Adi Nefas 52 Huachi 52 Curipamba 52 Orogrande Shear Zone 52 NN Zone 52 Grew Creek 52 alaskite 52 Drill Hole Results 52 Friday Petsite 52 Dubenski property 52 Carheil 52 Magistral Mine 52 Diamond Drilling 52 Arap Tepe 52 Cerro de Oro 52 Assay results 52 Bracemac 52 Copper Cu 52 km induced polarization 52 mineralized envelopes 52 Wona 52 JORC Inferred Resource 52 kimberlitic material 52 Ni Cu PGM mineralization 52 untested geophysical 52 Promontorio mine 52 Hache lens 52 rock geochemistry 52 Encino Vein 52 EXD# 52 Zafranal Main Zone 52 Penasco Quemado 52 sulphide intersections 52 palaeochannel 52 Mineralized Zone 52 intersected mineralized 52 Uzboy gold deposit 52 Puajanca 52 geophysical interpretations 52 termite mound geochemistry 52 Induced Potential 52 Mala Noche Footwall Zone 52 downhole geophysics 52 Tiekoumala 52 Au Ag mineralization 52 diatremes 52 #g t [001] 52 Significant intersections 52 Airborne EM 52 Klappibacken 52 Schaft Creek deposit 52 Fold Nose 52 previously undrilled 52 trenches excavated 52 La Josefina 52 Lalor deposit 52 #m@#.#g t Au [001] 51 Northern Freegold 51 intersected sulphide mineralization 51 InfiniTEM 51 Santa Pancha 51 Stora Sahavaara 51 Frankfield East 51 Positive Scoping Study 51 leachable copper 51 oxidized mineralization 51 El Domo 51 magnetite bearing 51 stockwork mineralization 51 Bulk Sampling 51 Rio Zarza 51 Terraquest 51 bearing quartz veins 51 #.#m grading #.#g [001] 51 #.#gpt [001] 51 Culebrilla 51 mineralized porphyry 51 Cretaceous sandstones 51 Las Naves 51 Wireline logs 51 Los Planes 51 GEOTEM survey 51 geophysical modeling 51 meter spacing 51 DEBD 51 sulphide deposit 51 Pirquitas 51 alluvial workings 51 Fayolle property 51 unoxidized 51 kimberlitic bodies 51 kimberlite pipes 51 mineralized zones 51 arsenopyrite veins 51 Ikungu 51 Fofina Zone 51 airborne radiometric anomaly 51 MegaTEM II 51 Aserradero 51 Sisson Brook 51 Uranium mineralization 51 averaging #.#g t [001] 51 geophysical anomaly 51 BCGE# 51 Pulacayo 51 volcanogenic massive sulfide VMS 51 geophysics trenching 51 Porphyry Pearl 51 stockwork veining 51 MMI soil geochemistry 51 meter spacings 51 anomalous soil geochemical 51 mineralized drill intercepts 51 Dogpaw 51 tungsten mineralization 51 arsenic anomalies 51 Cardium formation 51 polymetallic veins 51 NI #-# resource 51 oxide copper 51 Stoping 51 frac stimulation 51 tenement E#/# 51 Homestake Silver 51 #m@#.# g t Au [002] 51 disseminated sulfides 51 Langmuir Discovery 51 Arenal Deeps 51 Drill Program 51 Solwara 51 MMI geochemical 51 coincident geochemical 51 4g t 51 copper sulphide mineralization 51 quartz sulphide veins 51 #WR# 51 skarn zones 51 Geotechnical drilling 51 Y Zr 51 Vindaloo zone 51 NI #-# inferred resource 51 rhyolite domes 51 Minapampa Zone 51 Reconnaissance prospecting 51 Induced Polarization geophysical 51 JORC Resource 51 diamondiferous kimberlite 51 molybdenite mineralization 51 underground mineable 51 massive sulfide mineralization 51 Ni Cu PGM 51 vein intercepts 51 leachable copper mineralization 51 XRF analysis 51 Copper Keel 51 VTEM conductors 51 #m@#.#g t gold [001] 51 hole RC# 51 geological geochemical 51 borehole geophysical 51 Magistral deposits 51 Sourdough Ridge 51 metallurgical characteristics

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