Related by context. All words. (Click for frequent words.) 70 Climax molybdenum mine 64 Climax Mine 51 Mount Emmons 51 Montana Tunnels 50 Keewatin Taconite 50 EVTAC Mining Co. 50 Pend Oreille Mine 49 Sen. Ken Chlouber 49 Leadville 49 taconite plant 49 Moffat Tunnel 48 Montanore 47 LTV Steel Mining 47 Idarado 47 Copperstone Mine 47 AMEX QEE 47 Balmat mine 47 Kennecott Minerals 47 Jerritt Canyon 47 Endako expansion 47 Powertech Uranium Corp. 46 Jerritt Canyon Mine 46 Molybdenum Mine 46 Lennard Shelf zinc 45 Shootaring Canyon Mill 45 Climax Molybdenum 45 Drumlummon Mine 45 Tulsequah Chief mine 45 tailings impoundment 45 Luz del Cobre 45 Cantung mine 45 Rosebud Mine 45 Goldstrike Mine 45 Dos Pobres 45 Starvation Canyon 45 pumpback 45 Tulsequah Chief Mine 44 Beartooth Highway 44 United Taconite 44 Balmat 44 Minntac Mine 44 Los Pelambres mine 44 tailings piles 44 Ravenswood smelter 44 Ticaboo 44 Turquoise Ridge 44 Marmaton River 44 Minntac 44 Wodgina mine 44 cyanide heap leach 44 Kennecott Eagle 44 Antelope Butte 44 PolyMet Mining 44 copper molybdenum mine 44 tailings 44 Keetac 43 Montana Tunnels mine 43 situ leach 43 taconite mine 43 Keystone Ski Resort 43 Kylylahti 43 longwall mine 43 Cuchara 43 Revett Minerals 43 Smoky Canyon 43 La Veta Pass 43 Brule Mine 43 LaRonde mine 43 Dewatering 43 Galena Mine 43 Milltown Dam 43 Piceance Creek 43 Wasatch Plateau 43 Kennecott Copper 43 Polymet 43 pit cyanide leach 43 tailings pile 43 Smuggler Mine 43 millsite 43 transmountain 43 CREEDE 43 Burnakura 43 mine tailings 43 Drainage Tunnel 43 Twentymile 43 Mine 43 molybdenum 43 Shoshone hydroelectric 43 Hungry Horse Dam 43 Lomas Bayas 43 Tailings 43 Dugout Canyon 43 Mesabi Nugget 43 Molyhil 43 Bucko Lake 42 MINING NEWS 42 Preliminary Scoping Study 42 desalter 42 Homestake Mining Co. 42 pit heap leach 42 Stillwater Mine 42 Tulsequah Chief 42 Crow Butte 42 Mouska mine 42 mining 42 RICD 42 Voyageur upgrader 42 Redhawk Copper 42 Lennard Shelf 42 smelter 42 Mohave Generating Station 42 Currant Creek 42 Rosemont Mine 42 Baluba copper mine 42 #.# Hydrotreater 42 Sneffels 42 Sierrita Mine 42 Homestake Mine 42 heap leach operation 42 Hoyt Lakes 42 Paredones Amarillos 42 Kennecott 42 Lizard Head 42 recpath 42 nickel smelter 42 Franconia Minerals 42 Kennecott Utah Copper 42 Akwaaba Deeps 42 whitewater park 42 NorthMet 42 Pinon Ridge 42 Pulacayo 42 PolyMet copper 42 Powertech USA 41 Squaw Pass 41 Bellekeno deposit 41 Bucko Lake nickel 41 JUB Engineers 41 Amapari 41 Goldstrike mine 41 Cantung Mine 41 Similco 41 Miitel mine 41 Dewey Burdock 41 Cantung 41 nickel concentrator 41 Sen. Baldo Prokurica 41 Niobium Deposit 41 CWCB 41 Mining 41 tailings dumps 41 Queenstake Resources Ltd. 41 Poncha Springs 41 Alan Henceroth 41 heap leach 41 Firebag oilsands project 41 Aurcana 41 Newberry Crater 41 El Cubo mine 41 wellfield 41 Hibbing Taconite 41 openpit 41 situ leach uranium 41 Sleeping Giant Ski 41 Kinsenda 41 Baluba mine 41 EVTAC 41 TSX QRL 41 Pueblo Reservoir 41 Uravan 41 sulfide mining 41 Arizona Snowbowl ski resort 41 La Oroya smelter 41 Glenn Catchpole 41 Kisladag 41 Kaunisvaara Project 41 Wenatchee smelter 41 Mine Reclamation 41 Mount Crested Butte 41 Bucko Lake Mine 41 Milltown Reservoir 40 Northshore Mining 40 smelting 40 Carmacks copper 40 Cline Mining 40 TSX NRD 40 Belleterre Mine 40 Boroo 40 Pend Oreille zinc 40 Peñasquito 40 Reclamation Permit 40 Carmacks 40 Colowyo 40 mine 40 Mina Isidora 40 de Cobre 40 TSX QUA 40 Tasiast gold 40 Palladon Iron 40 tailings dams 40 Hogback Basin 40 Floriston 40 situ leach mining 40 Cannivan Gulch 40 Mittersill 40 McPhee Reservoir 40 BuRec 40 Chapada mine 40 Powdr 40 Denton Rawhide Mine 40 La Sal 40 Snowmass Ski Area 40 Ballardini Ranch 40 heap leaching 40 Steel Minntac 40 Cosmo Howley 40 tpd mill 40 Varvarinskoye 40 Shoshone Falls 40 Grants Mineral Belt 40 Arizona Snowbowl 40 Coeur Alaska 40 Shootaring Canyon uranium 40 Copler 40 Kinsevere HMS plant 40 Absaloka 40 Copper Mine 40 Iron Ore Mine 40 Xstrata Copper Kidd 40 Naturita 40 Antero Resources 40 Artillery Peak Manganese 40 Adumbi 40 Animas La Plata 40 Powertech Uranium 40 Windy Gap 40 Louvicourt Mine 40 Leadville Colo. 40 Granduc 40 desalting plant 40 Anvil Points 40 Sleeping Giant mine 39 Caladay 39 Centenario Copper 39 Surface Mining Control 39 Gatsuurt 39 Corp. TSX BAJ 39 Pathfinder Reservoir 39 Dokie Wind Project 39 Skyharbour Resources 39 Mount Lemmon Highway 39 taconite 39 Toromocho 39 Barrick Goldstrike 39 NovaGold Resources 39 Fryingpan Arkansas 39 Keetac iron ore 39 Judge Clarence Brimmer 39 Glenwood Canyon 39 Horne Smelter 39 Kemess Mine 39 Cata Clavo 39 Vermillion Basin 39 Dworshak 39 Roca Honda 39 Antero Reservoir 39 Mulyashi 39 Bald Butte 39 Ridges Basin 39 Carlota copper 39 Wanapum 39 West Cedartree Gold 39 Zortman Landusky 39 idled blast furnace 39 Hydrocracker 39 La Jojoba 39 Gowganda 39 Strieborna 39 JHMR 39 Minita deposit 39 Kennecott Minerals Co. 39 Reclamation 39 Cori Puncho 39 Dotiki 39 Northshore Mining Co. 39 Carlin Trend Nevada 39 Malpaso mill 39 COSMIX 39 polymetallic mine 39 Antapaccay 39 uranium tailings 39 Antamina 39 TORONTO miningweekly.com 39 sedimentation pond 39 Falcondo 39 La Coipa 39 Synfuel 39 LEADVILLE 39 Bayovar 39 Suncor Firebag 39 Passendro 39 Anamax 39 Quadra Mining 39 Mukondo Mountain 39 Foisey Creek 39 Blacktail Mountain 39 Moyie River 39 Rio Chama 39 Yandicoogina 39 Altonorte smelter 39 Kalgoorlie smelter 39 Increible 6 39 LEE BLOOMQUIST covers 39 Orogrande Shear Zone 39 Bridger Teton 39 molybdenum deposit 39 idled blast furnaces 39 Beartooth 39 Elko Nevada 39 Endako molybdenum mine 39 synfuels plant 39 Creede 39 Amax Gold 39 Kebler Pass 39 Porvenir Dos 39 Grand Hogback 38 Magnetation 38 Whirlwind Mine 38 wellfields 38 uranium mines 38 Whistler Blackcomb resort 38 NA Degerstrom 38 Gunnison Tunnel 38 Skukum 38 Ladysmith sawmill 38 Dam spillway 38 Malomir 38 Skukum Creek 38 Las Bambas copper 38 Tapuli Stora Sahavaara 38 Uranium Mine 38 situ uranium 38 Lapa mine 38 Wet Mountains 38 Fry Ark 38 Leadville Mine 38 Minara Resources Ltd 38 Inco Voisey Bay 38 Becancour smelter 38 Padcal 38 Gullbridge 38 cyanidation circuit 38 Canyon Dam 38 Platosa Mine 38 mill tailings 38 Saguache 38 Abandoned Mine Land 38 scoping prefeasibility 38 Myra Falls 38 tailing piles 38 Alouette smelter 38 Snowbowl 38 LaRonde II 38 Holy Cross Wilderness 38 Selbaie 38 Ming Mine 38 GLENWOOD SPRINGS Colo. 38 Conglomerate Mesa 38 Abajo Mountains 38 Yampa River 38 Diversion Dam 38 Los Bronces Los Pelambres 38 Bulyanhulu gold 38 tailings retreatment 38 Ski Santa Fe 38 Nugget Pond 38 taconite mining 38 Grizzly Gulch 38 Goldwedge 38 Crestone Peak 38 Eurocan mill 38 DeBeque Canyon 38 breccia pipe targets 38 CBMR 38 openpit mine 38 Millsite 38 Ivanhoe Oyu Tolgoi 38 Galore Creek copper 38 Saucito 38 Izok Lake 38 PolarBoard oriented strand 38 transbasin 38 Los Bronces 38 Rich Burkley 38 Bellekeno 38 Grand Targhee Resort 38 Cananea mine 38 Kearl oilsands 38 Aqqaluk deposit 38 situ leaching 38 Summitville Mine 38 LRNRD 38 Powder River basin 38 Pampalo 38 TSX GPD 38 Taum Sauk hydroelectric 38 Ouray Ice Park 38 Pediment Gold 38 situ leach ISL 38 Tsolum River 38 Atna Resources 38 Bearcreek 38 Upper Niobrara 38 Homestake 38 Huerfano 38 Spinifex Ridge Molybdenum 38 Tejamen silver 38 Marysvale 38 Kitsault 38 moly 38 Beaver Creek ski resorts 38 NorthMet Project 38 Emgold 38 Denison Mines 38 Zun Holba 38 CRESTED BUTTE Colo. 38 taconite mines 38 Silverton Colo. 38 Denton Rawhide 37 dewatering 37 Tulsequah 37 Tami Mosi 37 Corani silver 37 Mackenzie sawmill 37 Mayor Gene Pielin 37 Ferry Reservoir 37 Culebrilla 37 alluvial aquifer 37 ferronickel smelter 37 Blackfoot Bridge 37 Drumlummon 37 Gold Copper Porphyry 37 LTV Steel 37 Molas Pass 37 Jemez Springs 37 Grand Mesa Uncompahgre 37 Crucitas 37 Meadows Ski Resort 37 Luilu 37 Medicine Bow 37 Los Chancas 37 Situ Recovery ISR 37 Dajinhe Coal 37 El Teniente mine 37 Tonopah Nevada 37 Ironworld 37 Fourmile 37 Northgate Kemess 37 ore 37 Timpanogos Cave 37 Crested Butte 37 Uranerz Energy 37 Marg Deposit 37 Buffelsfontein mine 37 Mni Wiconi 37 TSX DML 37 proposed Glade Reservoir 37 Barrick Cortez 37 Teck Pogo 37 tailings leach 37 Ski Lifts 37 FFTF 37 Chimney Hollow 37 Mactung 37 Millinocket mill 37 Pumpkin Buttes 37 Ken Chlouber 37 potlines 37 Sekisovskoye 37 zinc smelting 37 Silver Plume 37 Corumbá 37 Vallecito Reservoir 37 Elkhead 37 Breckenridge Ski Area 37 Boysen Reservoir 37 TSX VENTURE BTP 37 solvent extraction electrowinning 37 Lake Nighthorse 37 Heap leaching 37 JORC Inferred Resource 37 Trihydro 37 El Peñon 37 Porzak 37 Brazauro Resources 37 Sabina Silver 37 instream flow 37 shorezone ordinances 37 Bucko Mine 37 Endako mine 37 Eldor Project 37 Cosmo Deeps underground 37 hardrock mining 37 Spor Mountain 37 Hydroelectric Facility 37 Big Hurrah 37 Tackama plywood 37 Matagami Quebec 37 Thalanga 37 Gibraltar copper molybdenum 37 Mesabi Iron Range 37 process flowsheet 37 Scotford upgrader 37 PGM deposits 37 Yeelirrie 37 Glenwood Caverns Adventure 37 Smelter 37 Terrane Metals 37 Taparko 37 Toquepala 37 Nivloc 37 Surface Mining 37 SolVista Basin 37 ENMRWA 37 Clarks Fork 37 Pinos Altos 37 Rosemont Copper 37 Exploration Drilling 37 Schaft Creek deposit 37 Animas River 37 Parys Mountain 37 Kerr Sulphurets 37 Navajo Reservoir 37 Diavik mine 37 Gurvanbulag 37 El Vado 37 Minas Conga 37 Abandoned Mine Lands 37 Batong Buhay 37 Stansbury Mountains 37 Inkai 37 bulk minable 37 Yellowtail Dam 37 near Winnemucca Nevada 37 Tom Jankovsky 37 Osisko Canadian Malartic 37 pelletizing plant 37 Bucko Lake Nickel 37 SX EW processing 37 Labrador Iron 37 Cañariaco Norte 37 Line 6B pipeline 37 longwalls 37 gold porphyry mineralization 37 Lockerby nickel 37 VAIL Colorado Vail 37 Creek Trailhead 37 hydrometallurgical 37 GoldCorp 37 Hatcher Pass 37 taconite plants 37 artificial snowmaking 37 Lone Mountain 37 Antofagasta Minerals SA 37 Kinross Kupol 37 Ashdown molybdenum 37 Gogebic Taconite 37 Alan Bernholtz 37 Amerikohl 37 La Garita 37 Greasewood 36 Tonogold 36 Mainstem 36 Mined Land Reclamation 36 Weminuche Wilderness 36 By PAULA PANT 36 Canariaco 36 Sage Windpower 36 GMUG 36 Fryingpan River 36 Rio Puerco 36 Chetwynd sawmill 36 tamarisk removal 36 Cutthroat Trout 36 Hydroelectric Project 36 Prefeasibility 36 Minnova 36 Elkview coal 36 Sloan Shoemaker 36 NovaGold Galore Creek 36 Sheep Mountain 36 sulphide ores 36 Sandy Layman 36 Kennecott Land 36 Kolomela 36 Ketza River 36 QGX Ltd. 36 DOE Hanford 36 Absaloka Mine 36 Steepbank 36 Wodgina 36 Westmin Resources 36 Mid Marsyangdi 36 Micrex 36 Mine near Wabowden 36 Gahcho Kue 36 Garrison Diversion 36 hydromet 36 CDPHE 36 Cieneguita Project 36 placer gold 36 Colvilles 36 polymetallic deposit 36 Eramet Marietta 36 Canariaco Norte 36 Jerry Blann 36 Mongora 36 Nunavut Territory Canada 36 Strathmore Minerals 36 Heavenly ski resort 36 Hannukainen 36 Alpine Coaster 36 Kulu copper 36 paste backfill 36 Aurcana Corporation 36 Cripple Creek 36 Mungana 36 Lalor deposit 36 Grand Targhee Ski Resort 36 Wolf Creek 36 Situ Recovery 36 PacMag Metals 36 lode claims 36 Fuels Reduction 36 PGM deposit 36 Antofagasta Minerals 36 optioned Rosebud 36 Colihues 36 Fort St. Vrain 36 Corporation Amex CAU 36 Rogue Umpqua 36 Wahweap Marina 36 sulphide ore 36 MinnErgy 36 Aravaipa Canyon 36 Alkylation unit 36 Corani 36 Avebury Nickel 36 Ester Dome 36 Jarbidge 36 nonferrous mining 36 Chuitna 36 frac sand 36 Huckleberry Mine 36 Grouse Creek 36 Pinwheel Zone 36 Amerl 36 Balmat zinc mine 36 Padcal mine 36 Raglan Mine 36 Lake Tahoe ski resort 36 Diavik diamond mine 36 gold bearing gravels 36 Tonogold Resources 36 populous Front Range 36 Inca de Oro 36 Runruno gold 36 Monarch Pass 36 Nathrop 36 Luanshya Copper Mines 36 Mount Sneffels 36 Middle Fork 36 Kantishna 36 Jolu mill 36 Kinsevere 36 Honeymoon uranium 36 canyonlands 36 Serrote da Laje 36 ferronickel mine 36 Kiska Metals 36 headwaters 36 platinum palladium mineralization 36 Quellaveco 36 laterite nickel 36 Yoquivo 36 Sahavaara 36 Pahtavaara 36 Vaca Muerta 36 Reclamation Facility 36 Metates 36 St. Vrain Greenway 36 metallurgically 36 Superfund cleanup 36 Goodsprings 36 AuEx Ventures 36 supplemental EIS 36 TMK Ipsco 36 taconite pellets 36 Toroparu 36 Taseko 36 Catface 36 Salida Buena Vista 36 Arizona Snowbowl ski 36 Nacimiento Dam 36 porphyry deposit 36 Angostura gold 36 Truckee Canal 36 Murrin Murrin nickel 36 Cerro Casale gold 36 spokeswoman Leigh Hierholzer 36 El Pachon 36 Toqui 36 Cassiar Moly property 36 Musselshell 36 Canariaco Norte copper 36 Colnic porphyry 36 Santa Ritas 36 Manibridge 36 Nickel Rim 36 Blacksmith Fork River 36 mountain snowmelt 36 Marban deposit 36 vermiculite mining 36 Nunavik Nickel 36 Blue Knob 36 Bob Honts 36 Doe Run smelter 36 VVWD 36 La Osa 36 Rare Metals 35 silver dore 35 Watermaster 35 Bankable Feasibility Study BFS 35 Tenke 35 La Bufa 35 Minorca Mine 35 blast furnace steelmaking 35 Pardee Reservoir 35 Crestone Needle 35 Cheesman Reservoir 35 Tecopa Hot Springs 35 Mantos Blancos 35 Lithium Brine Project 35 Ruedi Reservoir 35 Tanchuk 35 Dewey Burdock Project 35 Crowsnest 35 COPPER MOUNTAIN 35 Zani Kodo 35 refractory ore 35 Rio Cristal 35 tailings reprocessing 35 OURAY 35 Snowbird Ski Resort 35 Konkola Deep Mining 35 Maureen Talarico 35 Lac Pelletier 35 Barro Alto 35 Oremex 35 Nalunaq Gold 35 alluvial gold 35 Fundy Gypsum 35 suction dredge 35 Eldorado Springs 35 treated sewage effluent 35 Embarras River 35 Marmato Mountain 35 Goldrea 35 ethane extraction 35 Mainte 35 iron nugget 35 Ruby Pipeline 35 sulfide 35 Sunlight Mountain 35 Galore Creek 35 Chloride Copper Mine 35 Envirocon 35 Alpental 35 Kicking Horse 35 Kachina Peaks Wilderness 35 Casino MonteLago 35 Keystone Breckenridge 35 Scheelite Dome 35 Wabush Mines 35 Belleterre 35 Sletten Construction 35 Mayor Rod Slifer 35 Meter Drill 35 Wasatch Cache 35 Hoidas Lake 35 Renison Bell 35 Sierra Buttes 35 Alta Ski Resort 35 Soudan Mine 35 SMCRA 35 Cananea copper 35 AMVEST 35 Borealis Property 35 MOUNTAIN IRON Minn. 35 Picachos 35 LKAB 35 Amayapampa Gold 35 Tonopah Divide 35 Mowamba 35 Rollinsville 35 millrace 35 Arapiraca Project 35 Jeff Hymas 35 Bralorne 35 Aurizona 35 Stillwater Mining Co. 35 Bonny Reservoir 35 Dry Gulch 35 Pascua Lama 35 porphyry skarn 35 Nu Mex Uranium 35 Tovshiir 35 Malmberget 35 Matilija Dam 35 Rabbit Ears Pass 35 Robert Friedland Ivanhoe 35 El Aguila mill 35 Colorado Roan Plateau 35 Huizopa 35 Commissioner Steve Raukar 35 Evraz Rocky Mountain 35 bulk mineable gold 35 Mina Justa 35 Sangre de Cristo Mountains 35 Larry Reaugh 35 Lookout Pass 35 taconite tailings 35 Berong Nickel 35 Quebrada Blanca 35 Dowd Junction 35 Alumbrera 35 vol metallurgical coal 35 LionsHead 35 Penokee 35 Mutoshi 35 Snowbasin Ski Resort 35 Flathead Basin 35 Los Chorros Gold 35 Lero Gold 35 Kannah Creek 35 Steel Pellet 35 Tahoe ski resort 35 Lithium Potash Brine 35 Falcondo ferronickel 35 Newmont Ahafo 35 Paiute Tribe 35 Boxey Point 35 Nchanga smelter 35 Coalspur 35 Minidoka Dam 35 heap leachable 35 Congresswoman Diana DeGette 35 Navidad silver 35 Coalbed methane 35 Syama gold 35 Toiyabe 35 Battlement 35 Wanapum dams 35 mined ores 35 Situ Leach 35 Chile Escondida copper 35 sulphite mill 35 copper ores 35 Novagold 35 Dosewallips 35 Dam 35 Wheeling Tunnel 35 Cargill Salt 35 Suriname Aluminum 35 Pinson Mining 35 Alumar smelter 35 pyrometallurgical 35 Cloverland Electric Cooperative 35 LMDT 35 TRLIA 35 Uramet 35 Crofton pulp mill 35 downdip extension 35 Ivanhoe Oyu Tolgoi copper 35 spokeswoman Bernardita Fernandez 35 Crosshair Exploration 35 Molybdenum Copper 35 Lochsa River 35 Beartooth Pass 35 Sandstone Ranch 35 Pajarito Mountain 35 Terrane Metals Corp. 35 pelletizing 35 Bluestone Dam 35 Murrin Murrin 35 tailings basin 35 Teck Coal 35 Volta Grande 35 Cruce Property 35 Avebury nickel mine 35 Snowboard Resort 35 Polokwane smelter 35 mines 35 Louvicourt 35 La Balsa 35 Drilling Completed 35 Minnesota Iron Range 35 Inata Gold 35 Mishawaka Amphitheatre 35 Endako Pit 35 #.#Mtpa 35 threatened Lahontan cutthroat 35 Hardrock 35 Copper Mountain 35 Lac Herbin 35 Homestake mine 35 Armistice Resources 35 stockpiled ore 34 Buckreef 34 UPPCO 34 BBARWA 34 Antimony Mountain 34 Sleeping Giant gold 34 Treasure Gulch 34 Truckee Meadows Water 34 Kalgoorlie nickel 34 Galeton Reservoir 34 Northstar ski resort 34 LEADVILLE Colo. 34 Pantanillo 34 skarn deposit 34 Newmont 34 Entree Gold 34 Watershed Restoration 34 AmMex Gold Mining 34 Hood Meadows 34 Breckenridge Ski Resort 34 Tautona mine 34 Manastash 34 Snowmass 34 Rare Element 34 Dunton Hot Springs 34 Pico Machay 34 Goldbanks 34 Denison Mines Corp 34 settling ponds 34 Glade Reservoir 34 CRIPPLE CREEK 34 Shituru 34 T'Boli gold silver 34 Rattlesnake Hills 34 cyanide heap leaching 34 Wasatch Cache National 34 Wachusett Mountain Associates 34 Cumbres Pass 34 Larder Lake Property 34 Canyons ski resort 34 Peñoles 34 Goondicum 34 Kaunisvaara 34 Hopi Tribal Council 34 Ritz Carlton Highlands 34 Big Piney Marbleton 34 Asarco 34 Voisey Bay Nickel 34 Springer Tungsten 34 Goldbanks Property 34 Bolnisi Gold 34 Silver Lead Zinc 34 Incahuasi 34 San Acacio 34 Union Reefs mill 34 Markleeville 34 Togwotee Pass 34 IRRRB 34 Cordero Rojo mine 34 Uncompahgre River 34 coke ovens 34 Pascua Lama gold 34 Pirquitas Project 34 Schaft Creek 34 Cimarron NM 34 Nechalacho 34 Badger Pass 34 Buqo 34 TSX FCO 34 Poudre Canyon 34 GUNNISON 34 Geocom 34 Environmental Protection NDEP 34 trona mine 34 Alto Chicama 34 tungsten ore 34 Donner 34 Storie Property 34 Zafranal 34 Continental Divide 34 De Beque 34 hydrogeologic