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100   $a20161212d1970      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aSome estimates of the thermal effects of a heated pipeline in permafrost /$fby Arthur H. Lachenbruch
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1970.
215   $a1 online resource (vi, 23 pages) $cillustrations
225 1 $aGeological Survey circular ;$v632
606   $aPetroleum pipelines$zAlaska
606   $aPermafrost$xThermal properties$zAlaska
606   $aPermafrost$xThermal properties$2fast
606   $aPetroleum pipelines$2fast
607   $aAlaska$2fast
615  0$aPetroleum pipelines
615  0$aPermafrost$xThermal properties
615  7$aPermafrost$xThermal properties.
615  7$aPetroleum pipelines.
700   $aLachenbruch$b Arthur H.$01389375
712 02$aGeological Survey (U.S.),
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906   $aBOOK
912   $a9910711896103321
996   $aSome estimates of the thermal effects of a heated pipeline in permafrost$93520731
997   $aUNINA