Philadelphia Merchants' Exchange conservation strategy
Subtitle: marble characteristics and deterioration
By: by Elaine S. McGee
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 96-519; U.S. Geological Survey open-file report -- 96-519
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1996
Place of publication: Reston, VA
Language: eng
Format: Microform
Number of pages: 28
Subjects: Marble -- Pennsylvania -- Philadelphia -- Deterioration
Notes: Cover title

Imprint from transmittal sheet

Shipping list no.: 97-0809-M

Includes bibliographical references (leaves 9-10)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1996?] 1 microfiche : negative