LEADER 01900oam  2200469 a 450 
001 9910689530203321
005 20110511113538.0
035   $a(CKB)5470000002332257
035   $a(OCoLC)264703138
035   $a(EXLCZ)995470000002332257
100   $a20081029d2008      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aGeology of the Chesapeake and Ohio Canal National Historical Park and Potomac River corridor, District of Columbia, Maryland, West Virginia, and Virginia$b[electronic resource] /$fby Scott Southworth ... [and others] ; prepared in cooperation with the National Park Service ... [and others]
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2008.
215   $a1 online resource (154 unnumbered pages) $ccolor illustrations, maps
225 1 $aU.S. Geological Survey professional paper ;$v1691
300   $aTitle from title screen (viewed Oct. 29, 2008).
311   $a0-607-97795-7 
320   $aIncludes bibliographical references.
606   $aGeology, Stratigraphic$yMesozoic
606   $aGeology, Stratigraphic$yQuaternary
606   $aGeology$zChesapeake and Ohio Canal National Historical Park
606   $aGeology$zPotomac River Valley
615  0$aGeology, Stratigraphic
615  0$aGeology, Stratigraphic
615  0$aGeology
615  0$aGeology
676   $a557.52
701   $aSouthworth$b Scott$f1957-$01384296
712 02$aUnited States.$bNational Park Service.
801  0$bEJB
801  1$bEJB
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910689530203321
996   $aGeology of the Chesapeake and Ohio Canal National Historical Park and Potomac River corridor, District of Columbia, Maryland, West Virginia, and Virginia$93528837
997   $aUNINA