Related by context. Frequent words. (Click for all words.) 60 phosphate mining 56 quarries 53 evaporation ponds 52 limestone quarry 51 phosphate 51 mines 51 phosphate fertilizer 50 aquifers 50 hazardous waste landfill 49 palm plantations 49 groundwater 49 bauxite mines 49 Vermiculite 48 contaminating groundwater 48 soils 48 coal mines 48 fertile soils 47 artesian wells 47 alluvial deposits 47 tailing ponds 47 quarry 47 polluted groundwater 46 basins 46 uranium mines 46 gravel pits 46 toxic waste 46 mining 46 hydro electric dams 46 tailings impoundment 45 sediment runoff 45 smelter 45 potash mines 45 petrochemical complexes 45 mineral extraction 45 ash ponds 45 mill tailings 45 aquifer 44 contaminate groundwater 44 beneficiation plant 44 plantations 44 iron ore mines 44 wellfield 44 fertile lands 44 stone quarries 44 headwater streams 44 gravel quarry 44 mine tailings 44 watersheds 44 gypsum 44 ecologically sensitive areas 44 arable lands 44 underground aquifer 43 fertile farmland 43 sugarcane plantations 43 sewage lagoons 43 farmland 43 bio solids 43 frac sand 43 topsoil 43 dumpsites 43 fly ash 43 lakes 43 tailings 43 smelting 43 minerals 43 landfill 43 wetlands 43 Sugar cane 43 Cement Plant 43 reservoirs 43 limestone caves 43 smelters 43 dumpsite 43 valley fills 43 farmlands 43 sawmills 42 opencast mine 42 salt domes 42 sinkholes 42 bauxite mine 42 Large swathes 42 plants 42 rock quarry 42 wetland 42 copper smelter 42 opencast 42 agricultural 42 refineries 42 lignite coal 42 stone quarry 42 bauxite 42 Uinta Basin 42 coal 42 injection wells 42 copper smelting 42 feedstock 42 aluminum smelter 42 arable land 42 Biosolids 41 sewage lagoon 41 biosolids