Catalog of published Pennsylvania maps
Subtitle: topographic map series, orthophotoquads, orthophotomaps, state maps, county maps, United States maps, national parks maps, national atlas maps, special maps
By: U.S. Dept. of the Interior, Geological Survey.
Publisher: National Cartographic Information Center (NCIC), U.S. Geological Survey]
Published: 1985
Place of publication: [Reston, Va
Language: eng
Number of pages: 20
Subjects: Pennsylvania -- Maps -- Bibliography.
Genres: Bibliography.
Other titles: Pennsylvania maps.
Notes: Cover title.

"July 1, 1982."