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(Click for frequent words.) 74 sinkhole 63 Sinkholes 59 subsidence 58 subsidences 57 karst topography 56 limestone bedrock 56 mine subsidence 55 potholes 53 shallow depressions 53 Subsidence 53 ponding 53 seepage 53 sewer backups 52 Sinkhole 52 limerock 52 sewage backups 51 karst 51 Guatemala sinkhole 51 pinhole leaks 50 chuckholes 50 drainage ditches 50 gopher tortoise burrows 50 watermain break 50 gopher holes 49 frost heaves 49 pothole 49 stormwater ponds 49 cave ins 49 Famil Aug. 49 landslips 49 mold infestation 49 Potholes 48 groundwater seepage 48 rockfalls 48 shallow aquifer 48 seepages 48 earthen dams 48 retention ponds 48 sediment basins 48 Rockslides 48 sewer manholes 48 sediment buildup 48 floodplain 48 karst terrain 48 beaver dams 48 sedimentation 48 leaking septic tanks 47 tailings piles 47 overland flooding 47 gravel quarries 47 drainage pipes 47 geese droppings 47 stormwater basins 47 detention basins 47 clogged culverts 47 gullies 47 culverts 47 flood plain 47 swales 47 drainage 47 pyritic rock 47 drainfield 46 gaping sinkhole 46 impermeable surfaces 46 sediment runoff 46 ice damming 46 sedimentary deposits 46 rockslides 46 rodent burrows 46 rainwater seeps 46 depressions 46 drainage basins 46 caliche 46 geotubes 46 streambed 46 Edenmoor 46 stormwater drains 46 silt buildup 46 acid sulphate soils 46 limestone formations 46 illegal rooming houses 46 porous limestone 46 wetlands 46 stormwater pipes 46 Drainage ditches 46 flooding 46 diking 46 coquina rock 45 clogged culvert 45 subsoils 45 sewage spills 45 hydrothermal explosions 45 moisture seeps 45 corrugated metal pipe 45 lowland flooding 45 volcanic caldera 45 mud volcanoes 45 caves sinkholes 45 posh Riviera Maya 45 highwalls 45 freeze thaw cycles 45 Drifton Estates 45 shoreline erosion 45 Septic tanks 45 ponded 45 ant mounds 45 watermain breaks 45 causeways 45 Junk Ditch 45 wellfields 45 sewer pipes 45 Erosion 45 drainage pipe 45 clay subsoil 45 glacial lakes 45 fissures 45 gulleys 45 Leadville Mine 45 ice jams 45 canal earthen 45 underseepage 45 stormwater retention ponds 44 dam abutment 44 sewage overflows 44 streambeds 44 fault scarps 44 tidal inlets 44 stormwater pollution 44 silt 44 fine grained sediment 44 contaminating groundwater 44 Landslips 44 septics 44 lahar flows 44 panther habitat 44 Sewage overflows 44 stormwater retention pond 44 bird excrement 44 frost heaving 44 overflowing sewers 44 Shoal Lakes 44 renourished beach 44 faulty welds 44 dike 44 retaining walls 44 stormwater outfalls 44 runnels 44 floodway 44 drains clogged 44 groundwater contamination 44 sealcoat 44 subsurface drainage 44 McMurdo Dry Valleys 44 Impervious surfaces 44 Discolored water 44 subglacial lakes 44 phosphogypsum 44 Groundwater contamination 44 cinder cones 44 Floridan Aquifer 44 corroded pipes 44 undersized culverts 44 Kapuas River 44 overwash 44 limerock roads 44 coquina 44 cabbage palms 44 ruts 44 drainage swales 44 catch basins 44 arroyos 44 landslip 43 storm sewer grates 43 manure lagoons 43 Leaky roofs 43 Sandbars 43 pea sized hail 43 silt laden 43 heavy rainstorms 43 flood plains 43 mosquito infestation 43 earth tremors 43 retention basins 43 saltwater intrusion 43 groundwater 43 Algae blooms 43 frost heave 43 rabbit burrows 43 lakebed 43 tailing ponds 43 hardpan 43 raw sewage seeping 43 Lake Okeechobee dike 43 Washouts 43 bulkheading 43 rills 43 landslides 43 oxbows 43 gravel driveways 43 impermeable membrane 43 ponds 43 toxic algae blooms 43 algal mats 43 bridge abutments 43 septic tanks 43 ant hills 43 sandy soil 43 raw sewage spilling 43 meteor impacts 43 flooded basements 43 sedimentation ponds 43 stormwater drainage 43 manholes 43 wetland 43 alluvial aquifer 43 Floridan aquifer 43 sediment 43 retention pond 43 roadbeds 43 burrowing rodents 43 overflowing septic tanks 43 drainage culvert 43 retention basin 43 diabase 43 Culverts 43 nitrate contamination 43 sinkage 43 renourish beaches 43 traffic snarling snowfalls 43 septic systems 43 LMDT 43 Girty Run 43 Aquifers 43 vapor intrusion 43 rock revetments 43 drainage grates 42 dune lakes 42 quarries 42 slurry ponds 42 limestone sinkholes 42 sanitary sewer backups 42 fissure 42 leaky pipes 42 seiche 42 pillow lavas 42 earthen embankments 42 vernal pools 42 radium contamination 42 igneous rock 42 soil crusting 42 vugs 42 embayments 42 Rockfalls 42 mudflows 42 Skytop Mountain 42 phosphate mines 42 sewer mains 42 sediments deposited 42 driveway aprons 42 geotextile fabric 42 Soil erosion 42 divots 42 lagoons 42 DRGR 42 topsoil 42 Sinkhole Ravages Florida 42 washouts 42 Drainage Tunnel 42 sewer laterals 42 algae blooms 42 gully washer 42 geotechnical engineers 42 rat burrows 42 Clogged gutters 42 catchbasins 42 Ka Loko Reservoir 42 roadside ditches 42 blowdowns 42 roadbed 42 gypsum stacks 42 Tug Fork 42 ponding basin 42 eluvial 42 Fall webworms 42 impervious surfaces 42 Upper Floridan aquifer 42 leaky septic tanks 42 hairline cracks 42 resacas 42 dynamic compaction 42 Steep slopes 42 drainage inlets 42 groundwater aquifers 42 karsts 42 Geoffrey Thyne 42 microbialites 42 Prado Dam 42 soil erosion 42 mineshafts 42 Martian volcanoes 42 fire ant mounds 42 algal blooms 42 Swiftmud 42 invasive quagga mussel 42 thaw cycles 42 Localized flooding 42 riverbank erosion 42 subsurface aquifers 42 sewer grates 42 Sewage spills 42 dikes 42 Drainage 42 clogging drains 42 Herbert Hoover Dike 42 inundation 42 pore spaces 42 naturally occurring asbestos 42 rockslide 42 Hominy Creek 42 sewer overflows 42 algal bloom 42 wastewater lagoons 42 aquifers 42 Wares Creek 42 auriferous quartz veins 42 ditches 42 dikes dams 42 unreinforced brick 42 basements flooded 42 explosive eruptions 42 drainage ditch 42 Leaky pipes 42 inland bays 42 polluted groundwater 42 mud volcano 42 Bushkill Creek 42 graben 42 revetment 42 subdivisions 42 Toxic algae 42 hilly topography 42 torrential rainfalls 42 swale 42 raw sewage discharges 42 Ponding 42 conical dome 42 underwater caves 42 weed infestation 42 trench collapses 42 Yellowstone supervolcano 42 spalling 42 Biscayne Aquifer 42 frazil ice 42 earthen dam 42 beach erosion 42 deicing salts 42 Hurricane Agnes 42 Pinhook Creek 42 stormwater runoff 42 shallow aquifers 41 drainage culverts 41 backflow valves 41 craters 41 burrowing animals 41 gravel pits 41 creeks streams 41 lava tubes 41 sewage overflow 41 lava domes 41 windblown sand 41 forested wetlands 41 aquifer 41 Floodplains 41 Drifting snow 41 avalanche chutes 41 installing guardrails 41 streambank erosion 41 Earthly contamination 41 gully erosion 41 floodplains 41 salamander habitat 41 groundwater pumping 41 waterlines 41 seawalls 41 artesian wells 41 soils 41 mag chloride 41 winterkill 41 overtopping 41 culvert 41 mud puddles 41 sanitary sewer overflows 41 Martian craters 41 silt fences 41 embankments 41 creeks overflowed 41 defective drywall 41 Birdland levee 41 naturally occurring arsenic 41 freeze thaw 41 salinisation 41 toxins leaching 41 sulfate salts 41 clogged gutters 41 pipeline ruptures 41 stormwater 41 landforms 41 crossbedding 41 driveways 41 calderas 41 Paved roads 41 geoglyphs 41 localized flooding 41 permeable surfaces 41 weed infested 41 overflowing gutters 41 eroding shorelines 41 magma chamber 41 catchment basins 41 lahars 41 leaky plumbing 41 Crater Rim Drive 41 clogged drain 41 amphibian habitat 41 ponding basins 41 overgrown vegetation 41 Three Gorges reservoir 41 swimmer itch 41 Keith Berndt 41 Drenching storms 41 toxic algae bloom 41 Boxelder Creek 41 backflow valve 41 Polluted runoff 41 drain inlets 41 bridges viaducts 41 re vegetating 41 drainage canals 41 Navajo sandstone 41 subglacial 41 erosional 41 cyanobacteria blooms 41 polluted stormwater runoff 41 test borings 41 rock outcrops 41 Lacamas Creek 41 shifting sandbars 41 canals 41 tuffaceous rocks 41 water mains 41 basalt flows 41 stopbanks 41 beaver dam 41 decaying vegetation 41 porous sandstone 41 Seepage 41 earthen embankment 41 contingency dikes 41 Shukron 41 seismic activity 40 undevelopable 40 erosion 40 freshwater aquifer 40 riverbed 40 solidified lava 40 previously unmapped 40 alluvial sediments 40 goose poop 40 sprayfield 40 flash flooding 40 thawing permafrost 40 soakaway 40 interceptor sewers 40 Beargrass Creek 40 goose droppings 40 mountain torrents 40 floodings 40 rock formations 40 termite infestations 40 downed limbs 40 erupting sores 40 rockfall 40 retaining wall 40 DR GR 40 wetlands mitigation 40 Downed tree limbs 40 silty 40 drainage swale 40 groundwater withdrawals 40 beaver ponds 40 Guntersville Yacht Club 40 sewer interceptor 40 extinct volcanoes 40 sanitary sewer manhole 40 Berms 40 beaver lodges 40 hardened lava 40 sewer 40 Meager Creek 40 dredge spoil 40 ferneries 40 hydrothermal activity 40 unsewered areas 40 underwatering 40 overfertilizing 40 intermittent streams 40 tidal wetland 40 Clogged drains 40 rotting timbers 40 storm drains 40 tidal creeks 40 Geotechnical engineers 40 WHOM TO CONTACT 40 compacted clay 40 shoaling 40 cenotes 40 Driscoll Cottages 40 polluted runoff 40 sewerline 40 lakes 40 drainfields 40 ocean overwash 40 freshwater wetlands 40 Pesanggrahan River 40 dune 40 revetments 40 Wreck Pond 40 weeds sprouting 40 REE enriched 40 hydrogen sulfide 40 geohazard 40 quartz vein zones 40 Stormwater runoff 40 algae bloom 40 lava tube 40 Inundation 40 perchlorate plume 40 rainwater runoff 40 nontidal wetlands 40 pervious pavement 40 tire ruts 40 sanitary sewer overflow 40 percolation pits 40 karstic 40 coal ash impoundments 40 phosphogypsum stacks 40 pervious surfaces 40 gaping potholes 40 tantalum niobium beryllium tungsten 40 Pardeeville dam 40 glaciers receded 40 waterlogged soils 40 Algae bloom 40 Giant Salvinia 40 icy patches 40 geological disasters 40 sewage 40 Netley Creek 40 stormwater infiltration 40 turbidity cloudiness 40 Melting snow 40 sloping terrain 40 berm 40 Ogallala aquifer 40 Cullasaja River 40 injecting grout 40 borings 40 stalagmites 40 Nogales Wash 40 Flooded basements 40 retreating glaciers 40 stalactites 40 glacier melts 40 pyroclastics 40 Hoover Dike 40 river deltas 40 pervious concrete 40 silting 40 toxic tailing ponds 40 raw sewage 40 phosphorus runoff 40 pyritic rocks 40 carbonate minerals 40 SWFWMD 40 freshwater springs 40 geohazards 40 sandbars 40 sewage lagoon 40 overgrown brush 40 steam vents 40 bare mountainsides 40 groundwater depletion 40 headwater streams 40 rotting wood 40 stormwater pond 40 unreclaimed 40 melting permafrost 40 copper porphyries 40 wetland buffers 40 Daisetta 40 limestone caverns 40 culm banks 39 Sewer overflows 39 Saxman Mine 39 asphalt overlays 39 chloride concentrations 39 Pigeon droppings 39 wastewater overflows 39 Dust devils 39 dredge spoils 39 anticlines 39 levee breaches 39 Dunkard Creek 39 sulfide minerals 39 Pompton Lake 39 ancient Hohokam 39 Wingfield Pointe 39 MRGO 39 renourished beaches 39 hydric soils 39 steep embankments 39 Chicxulub crater 39 eagles nests 39 slurry sealing 39 muddy puddles 39 repairing potholes 39 Alafia rivers 39 drainage basin 39 settling ponds 39 lithium bearing pegmatite 39 salt cedars 39 cooled lava 39 spherules 39 flash floods landslides 39 Alafia River 39 topsoil erosion 39 alluvium 39 Tropical Storm Tammy 39 tectonic faults 39 putrid odors 39 tremours 39 Algal blooms 39 salt marsh mosquitoes 39 rainstorms 39 karst limestone 39 toxic algal bloom 39 arsenic contamination 39 dirt mounds 39 ash ponds 39 chlorides 39 Swale Brook 39 streambanks 39 ruptures 39 Junked cars 39 permeable paving 39 Tertiary volcanics 39 Zipingpu reservoir 39 steel pilings 39 earthen canal 39 Blowing dust 39 stromatolites 39 saltmarshes 39 percolation tests 39 diatremes 39 soil borings 39 concretions 39 volcanic craters 39 stalactite 39 contaminant plume 39 Yellow Breeches Creek 39 increased storminess 39 turbidites 39 leachate 39 sewers 39 storm sewers 39 redds 39 Sedimentation 39 chemical de icers 39 lake earthen dam 39 constructing berms 39 cofferdams 39 Ronto 39 Whitco poles 39 Afternoon thunderstorms 39 toxic hydrogen sulfide 39 porous asphalt 39 surface hoar 39 marl 39 Ichetucknee Springs 39 creek 39 overflowing drains 39 Icy patches 39 Blocked drains 39 excavation 39 earthquakes 39 Zipingpu dam 39 ruts bumps 39 outwash 39 Overgrown weeds 39 permafrost degradation 39 Melted snow 39 gopher tortoises 39 flowway 39 mine shafts 39 impermeable clay 39 fishkill 39 Leaking roofs 39 grabens 39 Phragmites 39 streambank 39 Overpasses 39 cenote 39 watermains 39 erupting lava 39 underwater cavern 39 Foisey Creek 39 subgrade 39 Dicenta 39 revegetating 39 Seawalls 39 watercourse 39 coal slurry impoundment 39 freshwater marsh 39 sewer outfall 39 underground aquifers 39 pine beetle outbreaks 39 Burst pipes 39 steep ravines 39 Floodwalls 39 Manager Maryann Courson 39 riparian zones 39 Guatemala Sinkhole 39 salt domes 39 hydrothermally 39 Hine emerald dragonfly 39 stormwater discharge 39 Overlook Estates 39 Hueco Bolson 39 Waterspouts 39 lakebeds 39 called lobate scarps 39 Tropical Storm Isabel 39 turtle nests 39 backyard swimming pools 39 Lava Butte 39 outfalls 39 waterlogging 39 microsurfacing 39 placer workings 39 sewerlines 39 concrete piers 39 sandy ridges 39 creekbeds 39 cracks 39 Longmen Shan fault 39 root rot 39 saturated soils 39 rusting rebar 39 glacial erratics 39 Tangjiashan quake lake 39 naturally occurring radium 39 calcite 39 pyroclastic material 39 wetland vegetation 39 Retaining walls 39 termite swarms 39 Brannon Stand 39 rainwater seepage 39 retreating glacier 39 defective welds 39 Begunbari canal 39 limestone outcrops 39 Puu Oo 39 Pilarcitos Creek 39 Winnipeg floodway 39 karst geology 39 creosote contamination 39 freshwater jellyfish 39 muddy quagmires 39 friable asbestos 39 moulins 39 Vacant lots 39 corroded wiring 39 geotechnical engineer 39 overgrazing deforestation drought 39 invasive exotics 39 outcroppings 39 waterlogged dikes 39 Retention ponds 38 overgrown lawns 38 creek crossings 38 Vernal pools 38 creek overflowed 38 Upper Floridan Aquifer 38 engorged rivers 38 coastal dune 38 kiln dust 38 heavy rains 38 Devonian limestone 38 boulders 38 divert floodwaters 38 microscopic organisms 38 acid sulfate 38 Gilboa Dam 38 crevices 38 culverted 38 playa lakes 38 percolation ponds 38 compacted soils 38 caprock 38 radon anomalies 38 refreezing 38 Ninemile Creek 38 impermeable liner 38 riprap 38 Nick Casalanguida 38 acid sulphate 38 limestone cavern 38 marine sediments 38 fecal coliform contamination 38 limb breakage 38 Bradford pears 38 slimy algae 38 sulfide veins 38 Bathtub Reef Beach 38 pothole hotline 38 muck dredged 38 sand silt 38 flood basalts 38 Iao Stream 38 raw untreated sewage 38 granite outcroppings 38 Earth asteroids NEAs 38 Blackwells Mills 38 toxic algae 38 methane hydrates 38 Ragged Mountain Reservoir 38 minor fender benders 38 streams creeks 38 wetlands flood plains 38 limestone aquifer 38 lava flows 38 Soil compaction 38 dyking 38 Torrential downpour 38 Soledad Mountain 38 mudslides 38 dyke swarms 38 swirling dust devils 38 corrosion 38 gutters downspouts 38 vertical shafts 38 snowbird enclave 38 pedestrian underpasses 38 Bramblewood Heights 38 unusually heavy rains 38 mineral hematite 38 riverbeds 38 siltation 38 mudflow 38 Doby Bridge 38 nallahs 38 asphault 38 acquifer 38 traffic tieups 38 limestone bluffs 38 oil sheens 38 sewer manhole 38 Garbage dumps 38 Hairline cracks 38 scoria 38 headwater stream 38 effluent ponds 38 surficial aquifer 38 termite infestation 38 POTHOLES 38 limestone caves 38 fumaroles 38 Embankments 38 stalactites stalagmites 38 bedrock aquifers 38 pea gravel 38 underwater obstructions 38 Empty storefronts 38 earthen spillway 38 Venice Fishing Pier 38 acquifers 38 trichloroethene 38 Llagas Creek 38 Siltation 38 Graveline Bayou 38 mudslide 38 Withlacoochee River 38 uncovered manholes 38 stormwater retention 38 Contaminated groundwater 38 ocean outfall 38 Fairway Oaks 38 seagull droppings 38 Tradewater River 38 TCE contamination 38 Fender benders 38 Chartiers Creek 38 Edwards Aquifer recharge 38 E coli bacteria 38 & MacBroom 38 steep slopes 38 roadways 38 coulees 38 dumptruck loads 38 sewage effluent 38 benzene contamination 38 SWDs 38 overpumping 38 valley fills 38 alluvial plains 38 steam eruptions 38 Makiki Stream 38 leaky basements 38 delicate ecosystems 38 flash floods 38 sandy soils 38 fault splays 38 Fernway 38 sulfate concentrations 38 compacted soil 38 Coster Shop 38 tripping hazard 38 basalt columns 38 groynes 38 asteroid impacts 38 Poo Gloos 38 thickly vegetated 38 levee breeches 38 sandtraps 38 overflowing rivers 38 Cohansey aquifer 38 Pascack Brook 38 pondless waterfalls 38 mineralized outcrops 38 rapid snowmelt 38 manure pits 38 geologically hazardous 38 sanitary sewer 38 Raw sewage 38 nalas 38 Leda clay 38 Mosquitoes breed 38 bluff sandy soils 38 icecaps 38 karst formations 38 placer deposits 38 Posen Construction 38 Perchlorate contamination 38 Lithia Pinecrest 38 yardangs 38 reservoirs 38 glacial overburden 38 limestone outcrop 38 toxic algal blooms 38 MSBUs 38 halite 38 manhole lids 38 unkempt lawns 38 crawl spaces 38 herbicide resistant weeds 38 floodwater recedes 38 dump raw sewage 38 tephra dam 38 porous pavement 38 Solomon Stables 38 leaky septic 38 delaminations 38 silicified shear zones 38 bioswales 38 hydrate crystals 38 uncontrolled sprawl 38 foil pouch containing 38 overlying sedimentary 38 weed infestations 38 salinity intrusion 38 Aquatic Preserve 38 Alluvial Aquifer 38 aquifer depletion 38 Dangerous rip currents 38 structural defects 38 turbid water 38 O'Byrnes Ferry Road 38 hog lagoons 38 hurricanes 38 jellyfish swarms 38 Swannanoa River 38 ultramafic intrusives 38 limestone boulders 38 equalization basin 38 coliform contamination 38 Beaverdam Creek 38 heavy rainfalls 38 absorb rainwater