Sampling protocol used at the Cathedral of Learning in Pittsburgh, Pennsylvania
By: by Elaine S. McGee.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 95-672.; U.S. Geological Survey open-file report -- 95-672.
Publisher: U.S. Geological Survey
Published: 1995
Place of publication: [Reston, VA]
Language: eng
Number of pages: 11
Subjects: Building stones -- Pennsylvania -- Pittsburgh -- Biodegradation; Limestone -- Pennsylvania -- Pittsburgh -- Biodegradation
Notes: Cover title.

Imprint from transmittal sheet.