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100   $a20140802d1959      ua             0
101 0 $aeng
135   $aurn||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aPeriodic heat flow in a stratified medium, with application to permafrost problems /$fby Arthur H. Lachenbruch
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1959.
210  2$aWashington, D.C. :$cGovernment Printing Office.
215   $a1 online resource (iv, 36 pages, 8 pages of plates) $ccharts
225 1 $aExperimental and theoretical geophysics
225 1 $aGeological Survey bulletin ;$v1083-A
300   $aAdditional title page description: "A discussion of termperature fluctuations in a stratified medium caused by a periodically varying surface temperature with special reference to the effects of seasonal temperatures variations on gravel fills, the natural active layer and permafrost."
300   $aTitle from title screen (viewed July 23, 2014).
320   $aIncludes bibliographical references (page 34).
606   $aEarth temperature
606   $aFrozen ground$xThermal properties
606   $aHeat$xTransmission
606   $aEarth temperature$2fast
606   $aFrozen ground$xThermal properties$2fast
606   $aHeat$xTransmission$2fast
615  0$aEarth temperature.
615  0$aFrozen ground$xThermal properties.
615  0$aHeat$xTransmission.
615  7$aEarth temperature.
615  7$aFrozen ground$xThermal properties.
615  7$aHeat$xTransmission.
700   $aLachenbruch$b Arthur H.$01389375
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bTRAAL
801  2$bGPO
906   $aBOOK
912   $a9910707360603321
996   $aPeriodic heat flow in a stratified medium, with application to permafrost problems$93440847
997   $aUNINA