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Potentiometric surface of the Ozark aquifer in northern Arkansas, 2010 [研究报告]
10.3133/sir20145013U.S. Geological Survey. 2014-01-01
Czarnecki, John B. jczarnec@usgs.gov;  Pugh, Aaron L. apugh@usgs.gov;  Blackstock, Joshua M. jblackst@usgs.gov
View  |  Adobe PDF(1616Kb)  |  View/Download：3/1
 
Digital surfaces and thicknesses of selected hydrogeologic units within the Ozark Plateaus aquifer system, northwestern Arkansas [研究报告]
10.3133/sir20135208U.S. Geological Survey. 2014-01-01
Czarnecki, John B. jczarnec@usgs.gov;  Bolyard, Susan E.;  Hart, Rheannon M. rmhart@usgs.gov;  Clark, Jimmy M. jmclark@usgs.gov
View  |  Adobe PDF(2340Kb)  |  View/Download：2/2
 
Effects of recent climate variability on groundwater levels in eastern Arkansas [研究报告]
U.S. Geological Survey. 2013-01-01
Czarnecki, John B. jczarnec@usgs.gov;  Schrader, T.P.
Adobe PDF(8139Kb)  |  View/Download：3/3
 

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