Related by context. Frequent words. (Click for all words.) 55 mountaintop removal mines 54 phosphate mines 53 evaporation ponds 53 unzoned 51 settling ponds 50 Marcellus shale formation 50 intermittent streams 50 contaminating groundwater 50 Abandoned Mine Lands 50 unmaintained 50 tailing ponds 50 uranium tailings 50 mines 50 forested wetlands 49 mined 49 tailings impoundment 49 reclamation 48 mine tailings 48 barrens 48 valley fills 48 Hobet 48 headwater streams 47 muskeg 47 seabeds 47 overgrown vegetation 47 polluting groundwater 47 Everglades Agricultural 47 revegetate 47 undeveloped tracts 47 dredge spoils 47 coal mines 47 steep ravines 47 undevelopable 47 undeveloped 47 gravel quarry 46 roadbeds 46 forested 46 mill tailings 46 wetlands 46 riparian zones 46 clearcuts 46 streambeds 46 Illegal dumping 46 Sheep Creek 46 tidal wetlands 46 Large tracts 46 creek bottoms 46 opencast mining 46 riparian buffer 46 landowners 46 Uravan 46 Radioactive waste 46 bottomlands 45 bottomland 45 Paducah Gaseous Diffusion Plant 45 wet meadows 45 Soil erosion 45 Soledad Canyon 45 coalbed methane wells 45 virgin forest 45 overgrown 45 gravel extraction 45 ash ponds 45 freshwater wetlands 45 silt 45 highwall 45 Chem Nuclear 45 unexploded shells 45 spruce fir 45 Controlled burns 45 riparian vegetation 45 diked 45 phosphate mining 45 polluted groundwater 44 quarry 44 floodplain 44 opencast mine 44 polluted waterways 44 temperate rainforest 44 inter tidal 44 panther habitat 44 unmowed 44 caliche 44 gravel pits 44 Superfund sites 44 inventoried roadless areas 44 heavily polluted 44 lakeshores 44 roadless lands 44 wolves roam 44 naturally occurring asbestos 44 opencast 44 grassland habitat 44 stormwater ponds 44 hardrock mining 44 stormwater discharge 44 contaminated soils 44 navigable rivers 44 tidal marshes 44 coastland 44 timber harvesting