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(Click for frequent words.) 79 basins 67 river basin 66 Basin 62 River basin 61 drainage basin 61 river basins 60 reservoirs 60 reservoir 60 groundwater aquifer 60 Basins 58 subbasin 58 freshwater aquifer 57 alluvial aquifer 57 drainage basins 57 river drainages 57 embayments 56 estuary 56 Groundwater Basin 56 tributary 56 resevoir 56 River Basin 55 oxbow 55 aquifer 55 Snake River Plain 55 headwaters 55 acquifers 55 acquifer 55 headwater 55 sediment 55 groundwater basin 54 groundwater aquifers 54 tributary streams 54 coastal bays 54 watersheds 54 rivers 54 tributaries 54 lake 54 Ogallala aquifer 54 groundwater recharge 54 lakes 54 Tallowa 53 catchment 53 aquifer recharge 53 Palisades Reservoir 53 groundwater 53 underground aquifer 53 hydrologically connected 53 stilling basin 53 shallow aquifer 53 Pardee Reservoir 53 water 53 evaporation ponds 53 bedrock aquifers 53 acre impoundment 53 dredge sediment 53 Kiamichi River 53 groundwater basins 53 recharge basins 53 Banklick Creek 52 overappropriated 52 Carrizo Wilcox Aquifer 52 stormwater ponds 52 sedimentary basin 52 Equus Beds aquifer 52 Pejar Dam 52 Ganges Brahmaputra 52 watercourse 52 diversion weir 52 pumpback 52 sediments 52 river 52 Indus basin 52 freshwater 52 embayment 52 sediment dredged 52 aquifers 52 forebay 52 freshwater aquifers 52 Chicot Aquifer 52 Albeni Falls Dam 52 catchments 52 Wivenhoe catchment 52 Elephant Butte Reservoir 52 Reservoir 51 Navajo Reservoir 51 shallow aquifers 51 dredged silt 51 brackish groundwater 51 dam 51 abyssal plain 51 reservior 51 wetland 51 Lake Nighthorse 51 Lake Koocanusa 51 Condamine Balonne 51 sedimentation basin 51 Nogales Wash 51 Tarbela reservoir 51 Aquifer 51 stormwater basins 51 river catchments 51 tidal waters 51 waterway 51 flowage 51 Menindee Lakes 51 tidal estuary 51 Friant Kern Canal 51 Bayou Dorcheat 51 Snake River Basin 51 Seminoe Reservoir 51 sediment basins 50 Creek tributary 50 Lake Iliamna 50 hydrologic 50 dredged sediment 50 navigable waterway 50 fluvial 50 alluvials 50 hydrological 50 Queets River 50 outfall 50 Kuiseb River 50 Isidis 50 Trinity Aquifer 50 Piru Creek 50 Lake Alexandrina 50 Pueblo Reservoir 50 Kalu Ganga 50 Milltown Reservoir 50 McClusky Canal 50 Gamba sandstone 50 slackwater 50 acid sulphate soils 50 Clarence Moreton 50 Kittitas Yakima 50 porous limestone 50 Levisa 50 Embayment 50 alluvial gravel 50 Burrendong Dam 50 detention basins 50 sediments deposited 50 magma chamber 50 drainages 50 Tar Pamlico 50 faulted anticline 50 saline aquifer 50 Alluvial Aquifer 50 retention basin 50 floodplain 50 alluvial plain 50 Teresa Meyerer 50 ponding basin 50 alluvial flats 50 Calleguas Creek 49 wetlands 49 pondage 49 percolation ponds 49 Bayou Manchac 49 Fairbairn Dam 49 Upper Floridan Aquifer 49 underground aquifers 49 nutrient loadings 49 Fryingpan Arkansas Project 49 watertable 49 Biscayne Aquifer 49 River tributary 49 lakebed 49 oxbows 49 Brook tributary 49 Aquifers 49 Barataria Basin 49 alluvial soils 49 tidal inlets 49 Ozark Aquifer 49 riparian corridor 49 Cheesman Reservoir 49 Tulloch Reservoir 49 sedimentation 49 groundwater withdrawals 49 Hueco Bolson 49 Untreated sewage 49 Lahontan cutthroat 49 Brownlee Reservoir 49 sandy bottomed 49 stormwater outfall 49 Floridan aquifer 49 wetland ecosystem 49 Bullards Bar 49 Pathfinder Reservoir 49 tributary rivers 49 dam spillway 49 headwater stream 49 tidally influenced 49 Alviso Slough 49 overthrust belt 49 Foisey Creek 49 Boysen Reservoir 49 undammed river 49 Mullaperiyar river 49 subwatershed 49 alluvial deposits 49 spawning tributaries 49 creek 49 silt 49 riparian 49 tidal salt marsh 49 shallow weedy 49 terminal moraine 49 freshwater lake 49 ponds 49 Kakanui River 49 Burdekin Falls 49 Glendo Reservoir 49 depleted aquifers 49 Usan field 48 stormwater retention 48 Sluice gates 48 paleochannel 48 Fryingpan River 48 Palar river 48 instream 48 Ewaso Nyiro 48 Elevenmile 48 rivers estuaries 48 lakebeds 48 Tahquamenon River 48 palaeo channel 48 Eromanga Basin 48 Anticline 48 El Vado 48 Lake Eucumbene 48 Warm Springs Dam 48 Cahora Bassa dam 48 retention basins 48 Sediments 48 Houma Navigation Canal 48 Ruedi Reservoir 48 Beas rivers 48 heavily silted 48 tailrace 48 Rattlesnake Creek 48 highly erodable 48 terrane 48 Macal River 48 Sites Reservoir 48 Citarum River 48 Great Artesian Basin 48 Sediment cores 48 Lake Lahontan 48 tributary creeks 48 Kapuas River 48 Reliance Industries Krishna Godavari 48 Englebright Dam 48 lowhead dam 48 tidal creek 48 Pejar 48 basalt flows 48 shallowing 48 Río de la 48 Chenab rivers 48 Econfina Creek 48 mountain snowmelt 48 sandstone bluffs 48 Borumba Dam 48 Upper Floridan aquifer 48 diking 48 Kamishak Bay 48 Ninemile Creek 48 resevoirs 48 Lower Tertiary trend 48 dredgings 48 Kensico Reservoir 48 undammed rivers 48 Sparta Aquifer 48 riparians 48 suction dredge 48 Fry Ark 48 Zambezi Basin 48 drainage 48 Melones Dam 48 Furnace Pond 48 stormwater 48 Yarlung Zangbo River 47 #km ² [002] 47 transmountain 47 Kariba Dam 47 limestone aquifer 47 basalt formations 47 watershed 47 Tule Desert 47 tidal inlet 47 sedimentary deposits 47 ocean outfall 47 silt buildup 47 dams 47 Chuitna River 47 Warragamba Dam 47 Cerro Dragon 47 Okavango River 47 Mariana Norte 47 Ozark aquifer 47 basalt rock 47 Sewage spills 47 karst topography 47 Baxter Shale 47 Eightmile 47 Tamugan 47 Rangitaiki River 47 Bulkley River 47 coastal estuaries 47 Lahontan Reservoir 47 Cahora Bassa Dam 47 Reservoirs 47 surficial aquifer 47 catchment basins 47 silt dredged 47 Kaituna River 47 marshy wetlands 47 Rialto Colton 47 Orinoco river 47 Hylebos Creek 47 Ohau Channel 47 forested watersheds 47 Brahmaputra River 47 Powder River basin 47 dredged material 47 Xe Bang Fai 47 Sisquoc River 47 Wreck Pond 47 sedimentation basins 47 Ciliwung River 47 tidal flushing 47 hydrologically 47 Tenmile Creek 47 Granby Reservoir 47 tailwaters 47 fishable waters 47 canal 47 #.#km# 47 flowway 47 undammed 47 impoundments 47 foreland 47 Googong 47 Tujunga Wash 47 Amundsen Sea 47 wellfields 47 de nitrification 47 alluvial plains 47 Embarras River 47 Klamath basin 47 Diversion Canal 47 Chattahoochee Flint 47 Fryingpan Arkansas 47 saline groundwater 47 Yukon Tanana 47 northwesternmost 47 irrigated agriculture 47 alluvial aquifers 47 Umatilla Basin 47 hypersaline 47 Graveline Bayou 47 Snake Plain Aquifer 47 Buqo 47 Yolo Bypass 47 Lake Nyasa 47 brown trout fishery 47 silt laden 47 Macasty shale 47 Cuango River 47 sturgeon spawning 47 Bahia Grande 47 Mhadei river 47 riverbed 47 Catahoula Lake 47 artesian aquifer 47 Lake Mainit 47 Basin snowpack 47 Muscatatuck River 47 freshwater estuary 47 Snake River Plain Aquifer 47 estuaries 47 tailwater 47 mainstem 47 Cressbrook Dam 47 Wahweap 47 Monongahela rivers 47 Vallecito Reservoir 47 groundwaters 47 impermeable shale 47 transmountain diversions 47 Prickly Pear Creek 47 weir 47 Leaburg Lake 47 Paroo River 47 Titicaca 46 estuarine habitats 46 Great Ruaha 46 hypoxic zone 46 sewer outfall 46 upstream 46 Moyie River 46 sturgeon fishery 46 coalbed 46 Iao aquifer 46 porous sandstone 46 subglacial lakes 46 oxbow lakes 46 North Fork Toutle 46 Hammonasset River 46 bays estuaries 46 Shoal Lakes 46 Tucannon River 46 freshwater wetland 46 freshwater streams 46 Caura River 46 sewer outfalls 46 subglacial lake 46 Kelani River 46 Ocklawaha River 46 cui ui 46 sedimentation ponds 46 Jindabyne Dam 46 Ulua 46 Pactola 46 Lillooet River 46 groundwater pumping 46 Mirador formation 46 Azov Kerch 46 mudflat 46 Chindwin River 46 waterflow 46 estuarine waters 46 Murrumbidgee River 46 Sierras Blancas 46 Wivenhoe dam 46 brackish marshes 46 Floridian aquifer 46 saline aquifers 46 hyper saline 46 Thurmond Dam 46 Jurassic sandstone 46 Fourche Creek 46 Ragged Mountain Reservoir 46 Saugeen River 46 Floridan Aquifer 46 Firesteel Creek 46 Fuyuan waterway 46 Wanaque Reservoir 46 Syneclise 46 unsewered 46 Matilija Dam 46 River 46 streambed 46 Loch Lomond Reservoir 46 recharging aquifers 46 tidal wetland 46 Conchas Lake 46 sedimentary basins 46 McPhee Reservoir 46 Cauvery Basin 46 Waipaoa 46 Navajo Dam 46 turbidite 46 AleAnna Resources 46 Liaodong Bay 46 subsurface drainage 46 Napindan Channel 46 eelgrass habitat 46 hydrographic basins 46 Meghna rivers 46 upstream reservoirs 46 snowmelt runoff 46 carbonate sediments 46 Lake Glenmaggie 46 alluvial gravels 46 Ramsar wetland 46 streambank stabilization 46 interbasin 46 gasfields 46 Bighorn River 46 Gunnison Gorge 46 cumec 46 Tatshenshini 46 Australian Bight 46 Parana River 46 coffer dam 46 Beaver Creek Reservoir 46 Gualala River 46 Agrio 46 creeks 46 Yellowtail Dam 46 dredged sediments 46 Contaminated groundwater 46 Floodplains 46 wetland vegetation 46 Ruamahanga 46 craton 46 Tsolum River 46 drainage swales 46 Porong River 46 Thorthormi 46 Qawasim 46 Mancos shale 46 Kuiseb 46 Kivu Graben 46 Nippersink Creek 46 Offin River 46 millrace 46 Narran 46 Little Assawoman Bay 46 Cambrian Ordovician 46 LMDT 46 Pardeeville dam 46 watermaster 46 Dharoi 46 Hellas Planitia 46 Sheepscot River 46 fine grained sediment 46 polynya 46 Koocanusa Reservoir 46 Bhima river 46 Pepacton 46 Pulangi River 46 shoreline 46 instream flows 46 headpond 46 Neuse River basin 46 Chowilla 46 feeds Guri 46 lagoon 46 subsalt layer 46 clam beds 46 salinity intrusion 46 transmountain water 46 Mancos Shale 46 Harney Pond 45 Bloemhof Dam 45 Antero Reservoir 45 Rivanna River 45 Lancang Mekong 45 areal extent 45 sewage effluent 45 Camanche Dam 45 Brahmaputra rivers 45 Treated wastewater 45 Diversion Project 45 Exmouth Plateau 45 Elm Coulee 45 Megunticook River 45 Denver Julesburg 45 Mainstem 45 streambanks 45 siltation 45 alluvium 45 navigable rivers 45 Lake Ozette 45 Sediment 45 Bonny Reservoir 45 volcanic caldera 45 freshwater springs 45 stormwater discharge 45 Mtera dam 45 lacustrine 45 resacas 45 Narrabeen Lagoon 45 brook lamprey 45 Parnaiba 45 wastewater lagoons 45 salmon spawning grounds 45 sewage outfalls 45 Olivenhain Reservoir 45 Pootatuck River 45 Miocene sands 45 Gunlock Reservoir 45 Haynesville Shale formation 45 Ariake Sea 45 waterways 45 depositional 45 hydro electric dam 45 Sierra snowmelt 45 Honker Bay 45 Dredged 45 instream flow 45 paleochannels 45 Loddon Avoca 45 tributary reservoirs 45 acid sulphate 45 intermittent streams 45 Chryse Planitia 45 Salinity 45 Driftwood Branch 45 subsurface 45 Wanapum dams 45 Bayou Barataria 45 Water Project LHWP 45 riparian vegetation 45 Necanicum 45 Lake Gatun 45 Uncompahgre River 45 Siltation 45 saltwater estuary 45 spawning habitat 45 Floridian Aquifer 45 oshanas 45 spillway diverts river 45 raw sewage overflowed 45 Cannonsville Reservoir 45 sewage outfall pipe 45 Prado Dam 45 Obleski 45 dams spillways 45 alluvial soil 45 Angat dam 45 Lake Burragorang 45 gypsum stack 45 basinwide 45 Chino aquifer 45 Eromanga 45 Chiquito Creek 45 subglacial 45 Pascack Brook 45 coulee 45 #sq km [002] 45 km3 45 glacial moraine 45 mightiest rivers 45 Tarim River 45 maf 45 Ashland Cherryland 45 dune lakes 45 silty 45 Euphrates Tigris 45 Oostanaula 45 sprayfield 45 Reservoir Dam 45 Mesaverde Formation 45 oxbow lake 45 raw sewage discharges 45 seawater intrusion 45 Waiwhakaiho River 45 Cheoah 45 Bonnechere River 45 riparian corridors 45 Laurentide Ice Sheet 45 Olifants River 45 Amu Darya 45 Atchafalaya River Basin 45 Farther upstream 45 SAGD Steam Assisted Gravity 45 Mazaruni River 45 Agusan River 45 Reclamation 45 Kawela 45 assimilative capacity 45 Corte Madera Creek 45 nutrient inputs 45 Tigum 45 inlet 45 Middle Fork 45 Otway basin 45 Chalillo 45 Waitaki catchment 45 coulees 45 steelhead spawning 45 Cheesequake Creek 45 Pepacton Reservoir 45 Klinaklini 45 Namakan 45 Lancang River 45 untreated effluent 45 Ute Reservoir 45 sq. kms 45 Waranga Basin 45 ultradeep waters 45 tidal wetlands 45 Isleton Bridge 45 saltwater marsh 45 outwash 45 river valleys 45 septic tank effluent 45 Alberni Inlet 45 Saltwater intrusion 45 Lower Balonne 45 Pozo Azul 45 Conemaugh River 45 Natomas Basin 45 Lake Catoma 45 groundwater depletion 45 lagoons 45 Hassayampa River 45 hydro geological 45 depleting aquifers 45 deltaic 45 headrace 45 Nukhul 45 carbonate reservoir 45 Mattole River 45 Waterflood 45 blackwater stream 45 Neuse River Basin 45 Three Gorges reservoir 45 spawning kokanee 45 wellfield 45 effluent discharged 45 Lake Kaweah 45 phytoplankton bloom 44 Lake Diefenbaker 44 Fork Reservoir 44 unnamed tributary 44 Tasour field 44 Nares Strait 44 fault scarp 44 Rio Puerco 44 Piceance basin 44 ponded 44 spring chinook fishery 44 Alliston Aquifer 44 Godavari Krishna 44 Xiangjiang River 44 Lookout Shoals 44 River Estuary 44 irrigable land 44 mighty Zambezi 44 Sinnemahoning Creek 44 Creek drainages 44 auxiliary spillway 44 Macquarie Marshes 44 Kirthar 44 Aquatic Preserve 44 Paulinskill 44 smallmouth fishery 44 Atchafalaya Spillway 44 turbid water 44 Ontario Lacus 44 San Francisquito Creek 44 Sixes rivers 44 Kilchis 44 Kaweah River 44 drainfield 44 Armenco Canal 44 hydrocarbon accumulations 44 Tonle Sap lake 44 groundwater pumpers 44 silting 44 landmass 44 underseepage 44 Nottawasaga River 44 Waikamoi 44 Camanche Reservoir 44 culverted 44 Devonian shale 44 Manchhar Lake 44 Gnangara Mound 44 Syr Darya 44 Scituate Reservoir 44 Piceance Basins 44 flood plain 44 Rangitaiki Plains 44 Bitterroot River 44 mainstem Columbia River 44 Kawkawlin River 44 abyssal plains 44 Plainwell Dam 44 Upper Oligocene 44 Tertiary sediments 44 Ballona Creek 44 tidewaters 44 Bonnet Carré Spillway 44 Makushin Bay 44 cratons 44 Carrizo Wilcox 44 rift basins 44 outfalls 44 playa lakes 44 Narran Lakes 44 Upper Vaitarna 44 replenish aquifers 44 Quemahoning Reservoir 44 Swale Brook 44 Longmen Shan fault 44 Elkhead Reservoir 44 Lake Eppalock 44 spreader canal 44 Tsengwen 44 #sqkm [002] 44 steelhead fishery 44 Alligator Creek 44 placer deposits 44 Aberjona River 44 waterbody 44 Paradox Basin 44 Hulah Lake 44 Shandaken Tunnel 44 Brimstone Pit 44 hydrology 44 shorelands 44 spillway 44 drillsite 44 Stonycreek River 44 Cachuma 44 Platosa Mine 44 Iao Stream 44 Hulah 44 Skeena Nass 44 palaeochannels 44 Ganga Brahmaputra 44 desalted water 44 secondary clarifiers 44 Brackish water 44 diked 44 sandy spit 44 borefield 44 desert playa 44 dewatering 44 Vembanad lake 44 matrix porosity 44 Ruamahanga River 44 streambank 44 Huai river 44 Newberry Crater 44 rainwaters 44 bottomland forest 44 geomorphic 44 Kandaleru 44 Chapudi 44 RICD 44 Neversink River 44 Mogote 44 developable acreage 44 CRMWD 44 Sespe Condor Sanctuary 44 pier jutting 44 raw untreated sewage 44 Flemish Pass 44 leachate 44 nontidal 44 Najafgarh drain 44 Carrizo Aquifer 44 Groundwater 44 phosphorus nutrient 44 Coralville Dam 44 Musconetcong River 44 Kawishiwi River 44 Paleogene 44 Tahkenitch 44 tidal basin 44 Diatomite 44 acid sulfate 44 Yarragadee aquifer 44 Sparta aquifer 44 stratigraphic trap 44 Matanza Riachuelo 44 Platoro Reservoir 44 wetland ecosystems 44 soakaway 44 backwater lakes 44 geological formations 44 Miocene aged 44 Freshwater mussels 44 Mahadayi 44 Reconcavo 44 estuarine habitat 44 Fisheating Creek 44 Barail 44 Glacial Lake 44 Hells Canyon Dam 44 acid sulphate soil 44 Calcasieu Lake 44 Volta Basin 44 Hogtown Creek 44 ocean basins 44 Albertine Graben 44 Catawba Wateree 44 Keathley Canyon 44 pike minnow 44 irrigate farmland 44 karst geology 44 rivermouth 44 sandspit 44 outfall pipe 44 Lake Cataouatche 44 Fourmile Creek 44 megaflood 44 Kaskaskia River 44 deep saline aquifer 44 freshwater mussel 44 abalone fishery 44 salinity 44 overthrust 44 riverways 44 erosion sedimentation 44 Impoundment 44 sediment buildup 44 gravels 44 Fold Belt 44 hectometres 44 Soda Butte Creek 44 sumps 44 seepages 44 blackwater streams 44 stormwater harvesting 44 recharge underground aquifers 44 nonpotable 44 Threadfin shad 44 streamflows 44 Wissahickon Creek 44 Makgadikgadi 44 Dam 44 canals 44 Manchhar 44 Meager Creek 44 redds 44 Nicomekl River 44 foreland basin 44 dredge spoils 44 rainwater 44 underflow 44 Sardis Lake 44 ancient supercontinent 44 irrigated lands 44 Putah 44 riparian forest 44 Triassic reservoir 44 Three Gorges Reservoir 44 tailings 44 Redfield Wilder 44 Bull Shoals Norfork 44 Rogue Umpqua 44 Catchment 44 Diversion Dam 44 Chute Bayou 44 magmatism 44 benthic habitat 44 erosional 44 ancient lakebed 44 sandy shorelines 44 Magembe property 44 Selaulim dam 44 muck dredged 44 overlying sedimentary 44 Afterbay 44 Duchniak 44 tidal inundation 44 treated sewage effluent 44 Kotri barrage 44 creek empties 44 Keg River 44 Rio del Rey 44 Baptiste Collette 44 desalting plant 44 freshwater lakes 44 Carbonera C7 43 kokanee fishery 43 seabeds 43 glacial silt 43 removing contaminated sediments 43 Evitts Creek 43 Prettyboy Reservoir 43 Assiniboine rivers 43 crestal 43 threatened coho salmon 43 evaporite 43 Lake Nacimiento 43 tidal marsh 43 undrilled 43 Zambezi basin 43 Portneuf River 43 drillable targets 43 cistern 43 Upper Miocene 43 subsoils 43 concentrated brine 43 Watershed 43 Odessa aquifer 43 Soai Rap 43 Amistad Reservoir 43 impermeable membrane 43 irrigated farmland 43 Mokelumne 43 Yegua sands 43 Sierra Vista Subwatershed 43 PCB contaminated sediments 43 sediment ponds 43 cyanobacterial blooms 43 eroding shorelines 43 Zambezi river 43 Frio sands 43 Fergana Basin 43 salt marsh habitat 43 naturally occurring radium 43 Mamquam Blind Channel 43 Tapi river 43 Borumba 43 Dolomite formation 43 treated effluent 43 Ridgway Reservoir 43 Chaobai River