The National Map
Subtitle: Pennsylvania pilot project.
Contributors: Parrish, Jay.; Barlow, Roger; Geological Survey (U.S.)
Series: USGS fact sheet -- 120-01.; Fact sheet (Geological Survey (U.S.)) -- FS-01-120.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2001
Place of publication: [Reston, VA]
Language: eng
Subjects: Geographic information systems -- Pennsylvania; Pennsylvania -- Geography
Other titles: Pennsylvania pilot project.
Notes: Caption title.

Authors: Jay Parrish, Roger Barlow.

Shipping list no.: 2002-0071-P.

"November 2001."

Also available via Internet from USGS Web site. Address as of 6/12/2002: http://mac.usgs.gov/mac/isb/isb/pubs/factsheets/fs12001.html; current access is available via PURL.