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ace="Times New Roman">ack; mso-font-kerning: 18.0pt" lang=EN-US>The Practice and Understanding of the Electrical Exploration to Seek Groundwater in Limestone Area Invaded by Igneous Rocksang=EN-US>amespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
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ARGIN: 0cm 0cm 0pt" class=MsoNormal>ang=EN-US>ace="Times New Roman">The groundwater distribution is uneven and water resources are very lack in the amespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />ace w:st="on">aceName w:st="on">TaihangaceName> aceType w:st="on">MountainaceType>ace> area with limestone invaded by igneous rocks. The success ratio is low in drilling well. In order to reasonably develop groundwater resource, the three electrical exploration lines were arranged in the direction perpendicular to main geology structures based on the hydrogeological investigation in the working site. The apparent resistivity values were observed by means of the resistivity sounding with the symmetric quadrupole along the lines. 

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