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(Click for frequent words.) 66 artesian spring 57 groundwater aquifer 56 freshwater aquifer 56 artesian 56 temperate rainforests 55 undammed river 55 Desalinated 54 springwater 54 acquifers 54 Athabasca tar sands 54 temperate rainforest 54 coalbed gas 53 alluvial soils 53 alluvial plain 53 mightiest rivers 53 remote Yaqara Valley 52 Sovi Basin 52 saline groundwater 52 foreland 52 groundwaters 52 resevoir 52 alluvial plains 52 freshwater aquifers 52 terminal moraine 52 overthrust belt 52 pristine rainforest 52 volcanic lava 52 treeless tundra 52 esker 52 bedrock aquifers 51 aquifer 51 alluvial aquifer 51 forested watersheds 51 unspoiled wilderness 51 abyssal plain 51 bioregion 51 upflow 51 shallow aquifer 51 reservior 51 acquifer deep 51 hotsprings 51 Andean Cordillera 51 ironsand 51 tarry crude 50 Tatshenshini Alsek 50 clay loam 50 subbasin 50 undammed rivers 50 Geologically speaking 50 freshwater springs 50 karst formations 50 freshwater lakes rivers 50 paramo 50 biodiversity hotspot 50 lungless salamander 50 Morne Trois Pitons 50 lacustrine 50 Brownlee Reservoir 50 Tanker spills 50 Snake River Plain 50 watertable 50 acquifer 50 basalt cliffs 50 lush forested 50 alluvials 50 Andean snowmelt 50 Hardanger Fjord 50 coastal temperate rainforest 50 tidal salt marsh 50 porous sandstone 50 glacial outwash 49 outwash 49 infinity pool overlooking 49 Fairydell Bon Accord 49 glacially carved 49 Ogallala aquifer 49 basalt flows 49 Nahanni River 49 bird watcher paradise 49 granite bedrock 49 glacier carved 49 Hueco Bolson 49 swampy lowlands 49 savannah grassland 49 sulfur springs 49 artesian springs 49 upland forests 49 Navajo Sandstone 49 aquifers 49 Meager Creek 49 subterranean caves 49 oilsands extraction 49 arid grasslands 49 peaty soil 49 Perito Moreno 49 hyper saline 49 underground aquifer 49 gravelly soils 49 hydrologically connected 48 escarpment overlooking 48 tailwater fishery 48 volcanic ridges 48 karst limestone 48 glacial meltwater 48 headwaters 48 naturally carbonated 48 rocky gorges 48 limestone caves 48 porous limestone 48 magma chamber 48 granite outcroppings 48 volcanic crater 48 brackish groundwater 48 saline aquifer 48 Biscayne Aquifer 48 Floridian aquifer 48 artesian wells 48 Tatshenshini 48 limestone aquifer 48 desalinized 48 impermeable shale 48 Kuiseb River 48 Succulent Karoo 48 aspen parkland 48 saltwater estuary 48 Reverse osmosis 48 birch sap 48 scenic bluffs 48 Eromanga Basin 48 basalt rock 48 beech forests 48 Golfo Dulce 48 glacial moraine 48 Cuango River 48 Lake Diefenbaker 48 icefields 48 Aquifers 48 Perito Moreno glacier 48 Upper Floridan Aquifer 47 Mokelumne River watershed 47 Los Flamencos 47 Kensico Reservoir 47 basalt lava 47 surficial aquifer 47 saline aquifers 47 earths crust 47 fiord 47 Okataina 47 Sierras Blancas 47 chalky soil 47 glaciated peaks 47 montane forests 47 limestone bedrock 47 transmountain 47 Tapajós 47 redwood groves 47 Lake Iliamna 47 #cu m [001] 47 volcanic archipelago 47 seafloor sediments 47 Nyungwe Forest 47 volcanic caldera 47 limestone caverns 47 karst topography 47 Lancang River 47 Lahontan cutthroat 47 ancient lava flows 47 caves waterfalls 47 Bolinas Ridge 47 tankered 47 Kamoamoa eruption 47 Gualala River 47 contamination Nishiyama 47 landbase 47 Queets River 47 lakebeds 47 Foisey Creek 47 Brackish water 47 meadowland 47 contaminate aquifers 47 Namib desert 47 Hetch Hetchy Reservoir 47 concentrated brine 47 oceanic trenches 47 tidal estuary 47 Coxs River 47 basin 47 peat soils 47 hydrothermal fluid 47 jagged coastline 47 bermed 47 metamorphic rock 47 oligotrophic 46 geothermally heated 46 volcanic cones 46 Parana River 46 subaqueous 46 underground aquifers 46 lowland rainforest 46 #sq km [002] 46 reservoir 46 alluvial flats 46 alluvial soil 46 melting glacier 46 Climber dies 46 rises majestically 46 alluvial aquifers 46 golden sandy beaches 46 equatorial rainforests 46 headwater stream 46 lush meadow 46 bentonite clay 46 Fold Belt 46 crevassed 46 Squamish Estuary 46 caribou calving 46 Ecuadorian Andes 46 sandstone aquifer 46 mudflat 46 hot springs geysers 46 Ozark Aquifer 46 Coalbed methane 46 Exmouth Plateau 46 Drakensberg Mountains 46 salty seawater 46 Wildfires ravage 46 recharge basins 46 wooded ravines 46 Albeni Falls Dam 46 Jindabyne Dam 46 salinization 46 escarpments 46 lush farmlands 46 blends harmoniously 46 verdant forests 46 fertile lowlands 46 Lengai 46 Biscuit Basin 46 overpumped 46 wild salmon fishery 46 volcanic basalt 46 Mariana Arc 46 Superheated 46 hypersaline 46 embayment 46 Glacial Lake 46 Alluvial Aquifer 46 Krafla 46 alluvial gravels 46 bushlands 46 treeless plain 46 limestone cave 46 limestone formations 46 Artesian wells 46 Alliston aquifer 46 Kamishak Bay 46 water 46 Shi Shi Beach 46 Gasfield 46 volcanic cinders 46 forested uplands 46 undammed 46 reverse osmosis desalination 46 Baxter Shale 46 Groundwater Basin 46 Lake Ozette 46 sandy gravel 46 #km ² [002] 46 Kelani River 46 Namib Naukluft 46 Waterton Lakes 46 chalk downland 45 limestone grassland 45 windswept dunes 45 eucalyptus forests 45 karsts 45 geothermally 45 Fergana Basin 45 tidally influenced 45 sandstone outcrops 45 shortgrass prairie 45 sagebrush steppe 45 Skookumchuck 45 evaporite 45 sandstone limestone 45 Jurassic sandstone 45 Wilpena Pound 45 acidifies 45 damming rivers 45 Taranaki basin 45 Narran Lakes 45 Columbia Icefields 45 Kaituna River 45 Ruamahanga 45 foreland basin 45 siliciclastic 45 Seawright Springs 45 tidewater glaciers 45 Nunavut Territory coal 45 shallow aquifers 45 boasts panoramic views 45 Agrio 45 Cape Floristic Region 45 lowland forest 45 Newberry Crater 45 Banff Jasper 45 headwater 45 tidal estuaries 45 billabongs 45 deep saline aquifer 45 breezes wafting 45 Sand dunes 45 gladed tree 45 Piceance Basins 45 Vatnajökull 45 Floridan aquifer 45 Koocanusa Reservoir 45 UNESCO Biosphere Reserve 45 sandstone canyons 45 Waiwera 45 Shiretoko Peninsula 45 ecolodge 45 Treated sewage 45 basalt rocks 45 Peat bogs 45 conifer forest 45 geothermal gradient 45 Columbia Icefield 45 Nottawasaga River 45 photic zone 45 tussock grasslands 45 Iao aquifer 45 sedimentary deposits 45 alpine peaks 45 petroliferous 45 hyrdo 45 magmatism 45 Qaidam Basin 45 reinjects 45 desalinated 45 St Lawrence Lowlands 45 pristine sandy beaches 45 gravelly sandy 45 UNESCO biosphere reserve 45 volcanic craters 45 Indo Gangetic 45 Alberni Inlet 45 fiords 45 Cordillera Blanca 45 lush rainforest 45 peat swamps 45 tidal inundation 45 transmountain water 45 Harding Icefield 45 gentle rolling hills 45 Eramosa River 45 fermented juice 45 limestone karst 45 Devonian reef 45 gasfields 45 Cederberg Mountains 45 geomorphic 45 Osa Peninsula 45 Alliston Aquifer 45 dolostone 45 basalt volcanic 45 subalpine meadows 45 mudpots 45 Raton Basin 45 rugged cliffs 45 Abitibi Greenstone belt 45 methane seeps 45 ecoregion 45 Peat bog 45 Lillooet River 45 Iroquois Confederacy oversees 45 Hawkesbury Nepean River 45 Desalinated water 45 brackish marshes 45 navigable rivers 45 Aftershock rocks 45 receding glacier 45 geothermic 45 coldwater streams 45 Yukon Tanana 45 nodding donkeys 45 fault scarp 45 Namib Desert 45 rainbow trout fishery 45 Powder River basin 45 rocky headlands 45 Cerro Dragon 45 palaeo channel 45 reservoirs 45 geologic formation 45 Qinghai Tibetan plateau 45 Irrigated agriculture 45 Hylebos Creek 45 Hattah Lakes 45 paleochannel 45 waterfalls caves 44 briney 44 nonrenewable resource 44 hosted Ghanzi Copper 44 coalbed 44 eastern goldfields 44 biologically diverse regions 44 moraine 44 hydrothermal springs 44 Tarim River 44 Warm Springs Dam 44 Boesmansgat 44 Tallowa 44 silts 44 moisture retentive soil 44 Gaumukh 44 biodiverse regions 44 sandy bottomed 44 Kirthar 44 sandstone formations 44 carboniferous 44 undeveloped shoreline 44 hematite stained 44 carbonate reservoir 44 Cressbrook Dam 44 Lake Mainit 44 thermal vents 44 floristic 44 hydrocarbon reservoirs 44 percolation ponds 44 salinity intrusion 44 Moyie River 44 infertile soils 44 asthenosphere 44 kraft pulp mill 44 stratovolcano 44 Cheesman Reservoir 44 terra preta 44 karst geology 44 Feitsui 44 tableland 44 Peatlands 44 demineralized water 44 Tongariro River 44 shale extraction 44 refinable 44 unspoilt coastline 44 Storing carbon dioxide 44 glaciers icebergs 44 brackish Lake Pontchartrain 44 Matala deposit 44 Shivalik hills 44 cinder cones 44 Gullfoss 44 Remarkables mountain 44 limestone karsts 44 glacial valleys 44 pristine coastline 44 diversion weir 44 seabeds 44 onsen hot 44 Eightmile 44 Chaobai River 44 inter tidal 44 cratons 44 seafloor methane 44 Reventador 44 sedge meadow 44 Kebler Pass 44 Ningaloo reef 44 bigleaf maple 44 reusing wastewater 44 #sq km [001] 44 freshwater crocs 44 BP ruptured Macondo 44 Cape Poge 44 brown trout fishery 44 glacial silt 44 Burdekin Falls 44 anhydrite 44 Snake River Aquifer 44 Yarlung Zangbo River 44 subseafloor 44 AngloGold Ashanti Cerro Vanguardia 44 effluent discharged 44 limestone outcrops 44 hogback 44 Tropical rainforests 44 lava erupting 44 desalinating 44 Selkirk Mountains 44 hydrological cycles 44 Methane hydrate 44 dolomitized 44 icebergs calving 44 Vilcanota river 44 desalinated seawater 44 arctic grayling 44 polynya 44 uncrowded beaches 44 Dinosaur Provincial 44 Río de la 44 recirculates 44 basalt formations 44 Valley Rathdrum Prairie 44 spinifex 44 desalted 44 naturally occurring minerals 44 Seawater desalination 44 carbonate formations 44 wilderness lodges 44 Petrified wood 44 Jurassic formations 44 Chuitna River 44 biodiverse 44 upland habitats 44 Honopou 44 hot springs 44 alluvial deposits 44 Saltwater intrusion 44 Cerro Catedral 44 mesic 44 Cook Inlet basin 44 Burrendong Dam 44 Gippsland Basin offshore 44 Titicaca 44 Whangai 44 Eelgrass 44 embanked 44 Freshwater mussels 44 peninsula jutting 44 Remarkable Rocks 44 groundwater extraction 44 absorbs carbon dioxide 44 tropical savannah 44 granitoid rocks 44 Denver Julesburg 44 Atlantis Massif 44 silt laden 44 gooey bitumen 44 Sierra Buttes 44 Hammonasset River 44 southeastwards 44 Rogue Umpqua 44 pine groves 44 clay loam soil 44 groundwater aquifers 44 Ty Nant 44 hydrocarbon accumulation 44 undrained 43 fine grained sedimentary rock 43 woodland grassland 43 Kvichak River 43 brook trout fishery 43 aspen grove 43 tarry substance 43 snowcap 43 Somes Sound 43 spouting geysers 43 Huka Falls 43 Sediment cores 43 saltwater marsh 43 synfuels plant 43 misty mountains 43 Rangitaiki River 43 Cal Vetas 43 Tony Bayaoa whose 43 wetlands floodplains 43 Greenland glacier 43 Weminuche Wilderness 43 Tarkine wilderness 43 Ruwenzori Mountains 43 limestone cavern 43 Iron Quadrangle 43 Chuitna 43 layered sedimentary rock 43 Hiker survives 43 uncompacted 43 evergreen forests 43 lava tube 43 Maroon Bells Snowmass 43 Cannery Loop 43 basalt 43 pristine rainforests 43 fine grained sediment 43 forested wetland 43 forests meadows 43 wildflower displays 43 Douglas fir forests 43 subsurface minerals 43 breathtaking vista 43 pristine beachfront 43 Karakum desert 43 groundwater 43 underwater cavern 43 zipline canopy tour 43 bacterial mats 43 lowbush blueberries 43 groundwater basin 43 cork oaks 43 mash tun 43 Soufrière 43 wild sockeye salmon 43 fumaroles 43 Beardmore Geraldton greenstone belt 43 impermeable clay 43 ROLLINS LAKE 43 volcanic peaks 43 Pupukea Paumalu 43 Stikine River 43 replenishable 43 Azolla 43 Weminuche 43 Cambrian Ordovician 43 seabed sediments 43 dissolved oxygen DO 43 halloysite clay 43 refugium 43 Untreated sewage 43 sandy loams 43 rocky ridge 43 virgin rainforest 43 Usan field 43 equatorial rainforest 43 alpine terrain 43 loamy soil 43 Mount Isa Cloncurry 43 undiscovered jewel 43 freshwater streams 43 Kapuas River 43 Siberia Lake Baikal 43 Guarani Aquifer 43 tar sands bitumen 43 tritium contaminated 43 Chihuahuan desert 43 coniferous forest 43 spillway diverts river 43 roughly equidistant 43 calcareous 43 Kechika 43 North Fork Toutle 43 Arenal volcano 43 Arctic Coastal Plain 43 limestone quarries 43 Mongora 43 extinct volcano 43 forested valleys 43 alluvial sediments 43 raging rapids 43 #sq km [003] 43 sandspit 43 Aquifer 43 sandstone bluffs 43 sandy plains 43 sand silt 43 Moapa dace 43 Beas rivers 43 eroding shorelines 43 Wasatch Plateau 43 Okavango River 43 foresting 43 Shivaliks 43 sparsely vegetated 43 quenches thirst 43 Mtera dam 43 semi arid climates 43 Ontario Lacus 43 lava flowed 43 Hotsprings 43 unbroken expanse 43 ruggedly beautiful 43 inlands 43 hydro electric dams 43 unmineable coal seams 43 Freycinet Peninsula 43 silicate rocks 43 mossy rocks 43 cyanobacterial blooms 43 methane hydrate deposits 43 Hells Canyon Dam 43 denatured ethanol 43 Missisquoi River 43 Longmen Shan fault 43 arid climates 43 hydrocarbon saturation 43 bast fiber 43 forested ravine 43 glacier melts 43 jungly 43 subalpine 43 slackwater 43 Edradour 43 microbial decomposition 43 provinces Narathiwat Pattani 43 transmountain diversions 43 Cohansey aquifer 43 oily mist 43 dense rainforest 43 Gamba sandstone 43 Queensland Surat Basin 43 Mamahak Project 43 Keechelus 43 mineral springs 43 Paleozoic sedimentary 43 mighty Zambezi 43 volcanic cone 43 desalinating sea water 43 Devil Hole pupfish 43 cypress tupelo 43 icefield 43 Langebaan Lagoon 43 Rangitata River 43 Mt Ruapehu crater 43 Lake Tenkiller Area 43 salicornia 43 paddled kayak 43 cedar hemlock 43 Mauna Loa volcano 43 Lake Nighthorse 43 Chiquito Creek 43 Islay malt 43 cork oak forests 43 riparian forests 43 siliceous sediments 43 sandy coves 43 El Tajo 43 saline formations 43 orographic 43 Croton watershed 43 hummocky 42 Wadi Wurayah 42 meteor crater 42 freshwater 42 Perito Moreno Glacier 42 catchment basins 42 Carden Alvar 42 cinder cone 42 Lake Burragorang 42 Nitrogen N2 42 Arctic grayling 42 Cape Alava 42 basaltic rock 42 pristine backcountry 42 moulins 42 riparian woodlands 42 Lake Umbagog 42 Radioactive contamination 42 promontory overlooking 42 wetland soils 42 loamy soils 42 northwesternmost 42 delicate ecosystems 42 Chobe River 42 Tsengwen 42 Ridgway Reservoir 42 Mancos shale 42 Beaverhill Lake 42 craton 42 undersea volcanos 42 Greenland Iceland 42 majestic scenery 42 Toroa prospect 42 treated sewage effluent 42 sodic 42 tailing ponds 42 lush tropical rainforests 42 hydrocarbon accumulations 42 Tsolum River 42 glacial moraines 42 microbialites 42 treated effluent 42 blooms profusely 42 daylighted 42 Namib Naukluft Park 42 unspoilt beauty 42 Ramsar wetland 42 Bottomlands 42 unspoiled beauty 42 brook trout habitat 42 greenland 42 hydrous 42 Mount Bosavi 42 geological terrains 42 Tongkou flowed placidly 42 Nasca Lines 42 hydrologically 42 stringy bark 42 pore spaces 42 magma mixing 42 sub glacial lakes 42 Glaceau vitamin 42 steep gorges 42 rocky crags 42 molten magma 42 vineyards olive groves 42 Tulameen 42 Khumbu Glacier 42 cork oak 42 karst terrain 42 sedimented 42 hydro dams 42 streamside habitat 42 Heysen Trail 42 Loch Lomond Reservoir 42 rubbly 42 Methane hydrates 42 Geologically 42 recharge underground aquifers 42 depleted aquifers 42 lush tropical paradise 42 mangrove estuaries 42 active volcanism 42 Cienega Creek 42 northernmost reaches 42 Whillans Ice Stream 42 Oolong tea 42 hoary marmots 42 vein outcrops 42 unspoilt wilderness 42 azure ocean 42 subsalt layer 42 Montmorency Falls 42 Main Shear Zone 42 estuarial 42 semiarid region 42 #km ² [001] 42 extinct volcanoes 42 Svartsengi 42 inverted cone 42 Salar de Uyuni salt 42 ozonated 42 Rangitaiki Plains 42 Great Artesian Basin 42 dense rainforests 42 Cafayate 42 geological terrane 42 Algal bloom 42 Temascaltepec 42 Lake Winnipegosis 42 Archaean greenstone 42 aquifer recharge 42 Kuna Yala 42 Bakken shale formation 42 Tenmile Range 42 subglacial 42 Ngauruhoe 42 chemosynthetic 42 perma frost 42 tidal wetland 42 Sicily Mount Etna 42 El Yunque rainforest 42 coulees 42 #sqkm [002] 42 Lake Eucumbene 42 Daintree rainforest 42 geysers spewing 42 draining aquifers 42 gravel quarries 42 Ohau Channel 42 cenote 42 Waikamoi 42 Tay estuary 42 Klinaklini 42 wetland ecosystem 42 pollutes waterways 42 Waranga Basin 42 NI #-# Inferred 42 terraced vineyards 42 Haematococcus pluvialis 42 McPhee Reservoir 42 cenospheres 42 Yarlung Tsangpo 42 Kata Tjuta 42 suction dredge 42 floral aroma 42 malted barley hops 42 Vallecito Creek 42 rivers estuaries 42 biodiverse ecosystems 42 escarpment 42 Annamites 42 Hells Canyon dams 42 Intrusive Suite 42 subsurface aquifers 42 Superior Craton 42 Miyun reservoir 42 waterfall 42 Berea sandstone 42 sedimentation basins 42 Skarn Zones 42 Jervis Inlet 42 Acqua Smeraldina 42 aquatic biodiversity 42 fertile soils 42 Mount Chocorua 42 Urubamba Valley 42 El Chorro 42 intraplate 42 irrigate farmland 42 infiltration basins 42 Bumpass Hell 42 Xe Bang Fai 42 Orinoco river 42 nurture croplands below 42 toxins leaching 42 streambanks 42 seepages 42 mountainous topography 42 Pembina Gorge 42 sand dredged 42 desalinisation plants 42 Umatilla Basin 42 Alsek 42 Cheoah 42 Firehole River 42 Navajo Reservoir 42 Garibaldi Provincial 42 scenically beautiful 42 Siruvani 42 mallee trees 42 Upper Mannville 42 unfragmented forest 42 Apurimac River 42 Mistaken Point 42 desalinisation 42 Soda Butte Creek 42 #.#km# 42 acre bluff overlooking 42 freshwater wetland 42 Lake Lacawac 42 marl 42 Ottauquechee River 42 Redoubt Shoal 42 karst landscape 42 grassland ecosystem 42 Dworshak Dam 42 Khao Phra Viharn 42 Seymour Capilano 42 cedar glades 42 Peninsular bighorn sheep 42 coquina rock 42 depleting aquifers 42 Tortolita Mountains 42 cragged 42 breathtakingly scenic 42 tailing piles 42 Masinga dam 42 overlying layers 42 de Gata 42 thermally mature 42 Darwin Mounds 42 Tsangpo 42 Wailoa Ditch 42 wooden crate dumped 42 blufflands 42 biogases 42 salt marsh habitat 42 transecting 42 Zortman Landusky 42 rocky outcrops 42 Devil Staircase 42 prairie pothole 42 tropical flora 42 freshwater mussel 42 oceanic crust 42 Jurassic limestone 42 Brazil Pantanal 42 dissolved salts 42 dune lakes 42 dechlorinated 42 sedimentary layers 42 eminently drinkable 42 Shallower 42 Opposes drilling 42 Kuiseb 42 basins 42 drainable 42 Puntledge River 42 Huascaran 42 Nisqually Glacier 42 bedrock aquifer 42 Meduxnekeag River 42 subglacial lake 42 gentler slopes 41 Ecologically speaking 41 Bridalveil Falls 41 alpine pastures 41 physiographic 41 wooden flume 41 Pejar Dam 41 Escarpment 41 lakebed 41 Sixes rivers 41 Ouray Ice Park 41 Malbec grape 41 Haynesville Shale formation 41 deltaic 41 Sabi Sand 41 hardwood swamps