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研究报告 [4]
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Hydrologic balance, water quality, chemical-mass balance, and geochemical modeling of hyperalkaline ponds at Big Marsh, Chicago, Illinois, 2016–17 [研究报告]
10.3133/sir20195078U.S. Geological Survey. 2019-01-01
Gahala, Amy M.;  Seal, Robert R. rseal@usgs.gov;  Piatak, Nadine M. npiatak@usgs.gov
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Hydrologic Influences on Water Levels at Three Oaks Recreation Area, Crystal Lake, Illinois, April 14 through September 27, 2016 [研究报告]
10.3133/sir20185105U.S. Geological Survey. 2019-01-01
Gahala, Amy M.
View/Download：1/0
 
Assessment of water resources in areas that affect the habitat of the endangered Hine’s emerald dragonfly in the Lower Des Plaines River Valley, Illinois [研究报告]
10.3133/sir20185074U.S. Geological Survey. 2018-01-01
Kay, Robert T.;  Gahala, Amy M. agahala@usgs.gov;  Bailey, Clinton
View/Download：2/0
 
Hydrogeology and water quality of sand and gravel aquifers in McHenry County, Illinois, 2009-14, and comparison to conditions in 1979 [研究报告]
10.3133/sir20175112U.S. Geological Survey. 2017-01-01
Gahala, Amy M. agahala@usgs.gov
View/Download：1/0
 

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