Related by context. Frequent words. (Click for all words.) 47 Illinois 47 Geologic Survey 45 carbon sequestration 44 hydrologic 43 geologic 43 Natural History Survey 41 sequestration 41 geological 40 Geological Survey 40 coalbed methane CBM 39 Geological Survey USGS 39 geologic formations 39 geophysicists 39 Geological 39 USGS 38 Opportunity Returns 38 streamflow 38 geology 37 hydrologists 37 NRCS 37 Economic Geology 37 geodetic 37 injection wells 37 CREP 37 Geologic 36 geologists 36 watersheds 36 Integrated Gasification Combined Cycle 36 lignite coal 36 geological formations 36 Geologists 35 EQIP 35 geoscientist 35 lake sediments 35 dewater 35 hydrokinetic 35 FutureGen 35 geosciences 35 State Climatologist 35 seismicity 34 Geochemistry 34 Geology 34 coal gasification 34 GHG emission 34 soils 34 greenhouse gas emission reductions 34 wetland restoration 34 sequester carbon 34 coal 34 IDOT 34 corn stover 34 CAES 34 groundwater remediation 34 nitrogen fixation 34 Geosciences 33 sedimentary basins 33 recoverable 33 wetlands mitigation 33 hydrological 33 Environmental Protection Agency 33 evapotranspiration 33 downstate Illinois 33 Geochemical 33 Urbana Champaign 33 carbon emission reductions 33 EERC 33 GHGs 33 Renewable Energy Lab 33 polluted groundwater 33 geophysics 33 GHG reduction 33 Switchgrass 33 Missouri 33 Agricultural Statistics Service 33 GHG emissions 32 Indiana 32 Miscanthus 32 sediment cores 32 cellulosic biofuel 32 coal seams 32 greenhouse gas GHG 32 paleontological 32 Wetlands Reserve 32 nutrient runoff 32 river basins 32 coal liquefaction 32 shale deposits 32 methane hydrates 32 CO2 32 Climatology 32 seismic 32 emission reductions 32 atmospheric carbon dioxide 32 EPRI 32 North Dakota 32 Seismic Network 32 terrestrial ecosystems 32 geochemist 32 Geoscience Australia 31 remote sensing 31 carbon capture