LEADER 02110oam  2200577   450 
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005 20211117085119.0
035   $a(CKB)5470000002526718
035   $a(OCoLC)681322949$z(OCoLC)624342404$z(OCoLC)979947773
035   $a(EXLCZ)995470000002526718
100   $a20101115d1992      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aWater soak cleaning of limestone $ethe Widener Building, Philadelphia, Pennsylvania /$fRobert M. Powers
210  1$a[Washington, D.C.] :$cU.S. Department of the Interior, National Park Service, Cultural Resources, Preservation Assistance Division,$d1992.
215   $a1 online resource (6 pages) $cillustrations
225 1 $aPreservation tech notes,$x0741-9023 ;$vPTN-37.$aMasonry ;$vno. 3
300   $a"August 1992"--Page 6.
517   $aWater soak cleaning of limestone 
606   $aCornices$xMaintenance and repair
606   $aConcrete masonry
606   $aHistoric buildings$xConservation and restoration$zPennsylvania$zPhiladelphia
606   $aConcrete masonry$2fast
606   $aCornices$xMaintenance and repair$2fast
606   $aHistoric buildings$xConservation and restoration$2fast
607   $aPennsylvania$zPhiladelphia$2fast
615  0$aCornices$xMaintenance and repair.
615  0$aConcrete masonry.
615  0$aHistoric buildings$xConservation and restoration
615  7$aConcrete masonry.
615  7$aCornices$xMaintenance and repair.
615  7$aHistoric buildings$xConservation and restoration.
700   $aPowers$b Robert M.$f1955-$01416736
712 02$aUnited States.$bNational Park Service.$bPreservation Assistance Division,
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bOCLCQ
801  2$bOCLCO
801  2$bOCLCQ
801  2$bCSF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910716947803321
996   $aWater soak cleaning of limestone$93523019
997   $aUNINA