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You have reached the Federal Depository Library Program Electronic Collection (FDLP/EC) Archive. This archive assures ongoing access to publications in the FDLP/EC. Access to publications in the archive is available through GPO's suite of cataloging and locator services, including the Catalog of U.S. Government Publications (CGP).  Archived copies of publications are retrieved in the event that publications are no longer available from the original publishing agency site.

Title: The effect of selected cleaning techniques on Berkshire Lee marble : a scientific study at Philadelphia City Hall

 

Report | Supporting Documentation (zip file)

 

SuDoc Number: I 19.16:1635

Item Number: 0624 (online)

CGP system Number: 001046195

 

February 21, 2018