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035   $a(CKB)5470000002458691
035   $a(OCoLC)896810369
035   $a(OCoLC)995470000002458691
035   $a(EXLCZ)995470000002458691
100   $a20141123d1974      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe logic of geological maps, with reference to their interpretation and use for engineering purposes /$fby David J. Varnes
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1974.
215   $a1 online resource (iv, 48 pages) $cillustrations, maps +$e3 plates
225 1 $aGeological Survey professional paper ;$v837
300   $aTitle from title screen (viewed October 2, 2014).
300   $a"A discussion of the definition and classification of map units, with emphasis on the problems presented by maps intended for use in civil engineering."
320   $aIncludes bibliographical references (pages 45-48).
606   $aEngineering geology
606   $aGeology$vMaps
606   $aGeology$2fast
606   $aEngineering geology$2fast
608   $aMaps.$2fast
608   $aMaps.$2lcgft
615  0$aEngineering geology.
615  0$aGeology
615  7$aGeology.
615  7$aEngineering geology.
700   $aVarnes$b David J$g(David Joseph),$f1919-$0522214
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910706877403321
996   $aThe logic of geological maps, with reference to their interpretation and use for engineering purposes$93441338
997   $aUNINA