Related by context. Frequent words. (Click for all words.) 61 porous limestone 58 nonporous 58 coarse sand 58 silt 57 waterproof membrane 57 geotextile 56 hardpan 56 glacial till 56 gulleys 55 perforated pipe 55 friable 55 decomposed granite 55 intermittent streams 55 silty 55 silts 55 calcium sulfate 55 drainfield 54 revegetated 54 streambanks 54 lateritic 54 crushed limestone 54 silt fences 54 sphagnum moss 54 Raised beds 54 decaying vegetation 54 sandy loam 54 alluvium 54 impermeable 53 silt fencing 53 shallow aquifer 53 undrained 53 evaporation ponds 53 leachate collection 53 clasts 53 rubber matting 53 calcium oxide 53 andesitic 53 earthen walls 53 hummocks 53 mudstones 53 putrid sludge 53 riparian vegetation 53 impermeable surfaces 53 basalt rock 53 varying widths 53 revetment 52 compacted soil 52 loess 52 Leachate 52 loamy soil 52 calcareous 52 calcrete 52 talus 52 siltstones 52 tannic acid 52 subgrade 52 hollow fibers 52 ponded 52 rootball 52 streambeds 52 #/#-in [001] 52 threadlike 52 periosteum 52 shredded bark 52 sediment 52 grouted 52 oxide layer 52 bd.className + = 52 highly erodible 52 leaf mulch 51 greywacke 51 fecal material 51 lipid bilayer 51 #,#-#,# ft. Loc 51 coquina 51 streambed 51 quartz stockwork 51 innermost layer 51 mycelium 51 windrow 51 gossanous 51 pebbly 51 glasslike 51 Moisten 51 kaolinite 51 drainage basins 51 encrustation 51 sumps 51 ferric chloride 51 interbedded 51 exudate 51 erosional 51 sapwood 51 groundwater plume 51 cleanable 50 viscous liquid 50 agglomerates 50 recharge groundwater 50 polymerized 50 absorbs moisture 50 dewatered