Atlas of Pennsylvania's mineral resources.

Bibliographic Details
Corporate Author:	Pennsylvania. Bureau of Topographic and Geologic Survey
Format:	Book
Language:	English
Published:	Harrisburg, [publisher not identified] ; 1964-
Series:	Mineral resource report ; 50.
Subjects:	Mines and mineral resources > Pennsylvania. Mines and mineral resources > Pennsylvania > Maps.

Description
Item Description:	Series title on cover: Mineral resources report.
Physical Description:	volumes (loose-leaf) : illustrations ; 46 cm.