Related by context. Frequent words. (Click for all words.) 69 sandy loam 67 soils 67 sandy soils 67 acidic soils 63 escarpments 62 drained soils 62 alluvium 62 calcareous 62 riparian vegetation 62 clay soils 61 alkaline soil 61 fertile soils 60 deciduous forests 60 sandy soil 60 sandstone formations 59 alluvial deposits 59 acidic soil 58 limestone caves 58 marl 58 peaty 58 bottomlands 58 basaltic 58 micro climates 58 embayment 58 coulees 57 riparian zones 57 calcrete 57 sandy 57 rock outcrops 57 loamy 57 silts 57 forested wetlands 57 landforms 57 bottomland 56 glacial till 56 mudstone 56 silty 56 lowlands 56 landform 56 Aquifers 56 gravels 56 cypress swamps 56 decomposed granite 56 topographically 56 streambeds 55 tuffs 55 alfalfa fields 55 limestone 55 river valleys 55 groundwater aquifers 55 hardpan 55 shallow aquifer 55 arid lands 55 pasturelands 55 cypress swamp 55 barrens 55 tidal marshes 54 schist 54 coarse sand 54 tussock 54 evaporation ponds 54 lakebed 54 grassy plains 54 evergreen forests 54 limestones 54 steeply sloping 54 lakeshores 54 dolomite 54 deltaic 54 moist soil 54 uplands 54 clasts 54 limestone formations 54 basalt 53 sediments 53 graben 53 rock outcroppings 53 outcrops 53 deciduous forest 53 irrigated crops 53 topography 53 fluvial 53 basalts 53 metamorphic rocks 53 siliceous 53 swampy 53 placer deposits 53 microclimates 53 siltstones 52 topsoil 52 aquifers 52 streambed 52 granites 52 knolls 52 vegetated 52 fertile soil 52 ridging 52 inter tidal 52 drainage basins 52 Sediments 52 iron oxides