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005 20150520154032.0
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035   $a(OCoLC)881832111
035   $a(EXLCZ)995470000002434131
100   $a20140626d1889      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aFossil wood and lignite of the Potomac formation /$fby Frank Hall Knowlton
210  1$aWashington, D.C. :$cDepartment of the Interior, United States Geological Survey,$d1889.
210  2$aWashington, D.C. :$cGovernment Printing Office.
215   $a1 online resource (72 pages, VII pages of plates) $cillustrations
225 1 $aBulletin of the United States Geological Survey ;$vno. 56
300   $aTitle from title screen (viewed June 23, 2014).
320   $aIncludes bibliographical references and index.
606   $aLignite
606   $aPaleobotany$yCretaceous
606   $aPaleobotany$zUnited States
606   $aCretaceous Geologic Period$2fast
606   $aLignite$2fast
606   $aPaleobotany$2fast
607   $aUnited States$2fast
615  0$aLignite.
615  0$aPaleobotany
615  0$aPaleobotany
615  7$aCretaceous Geologic Period.
615  7$aLignite.
615  7$aPaleobotany.
700   $aKnowlton$b Frank Hall$f1860-1926,$01353956
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910703758903321
996   $aFossil wood and lignite of the Potomac formation$93535040
997   $aUNINA