State of Pennsylvania /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Map
Language:	English
Published:	Reston, Va. : The Survey, 1977.
Subjects:	Pennsylvania > Maps, Outline and base. Pennsylvania > Maps, Physical.

Description
Item Description:	Alternative title: Pennsylvania base map with highways and contours. "National geodetic vertical datum of 1929." "Contour interval 200 feet." Relief shown by spot heights. Date under population key: 1975. Cartographic material.
Physical Description:	color map ; 61 x 103 cm.