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100   $a20140926d1974      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aUse of Dar Zarrouk curves in the interpretation of vertical electrical sounding data /$fby Adel A.R. Zohdy
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1974.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (iv, 41 pages, 1 page of plates) $cillustrations
225 1 $aGeological Survey bulletin ;$v1313-D
300   $aTitle from title screen (viewed September 15, 2014).
300   $a"Dar Zarrouk curves are used to define the limits of equivalence for multilayer sections, to improve the fit between theoretical and observed VES curves, and to incorporate geological and geophysical constraints in interpreted geoelectrical models."
300   $a"New techniques in direct-current resistivity exploration."
320   $aIncludes bibliographical references (pages 40-41).
517 1 $aNew techniques in direct-current resistivity exploration, Dar Zarrouk curves
606   $aElectric currents
606   $aElectric prospecting
606   $aElectric currents$2fast
606   $aElectric prospecting$2fast
615  0$aElectric currents.
615  0$aElectric prospecting.
615  7$aElectric currents.
615  7$aElectric prospecting.
700   $aZohdy$b Adel A. R.$f1935-2014,$01387198
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910707457803321
996   $aUse of Dar Zarrouk curves in the interpretation of vertical electrical sounding data$93436765
997   $aUNINA