Rocks and minerals of Pennsylvania /

Bibliographic Details
Main Author:	Barnes, John Henry, 1946-
Corporate Author:	Pennsylvania. Bureau of Topographic and Geologic Survey
Other Authors:	Berkheiser, Samuel W., Lapham, Davis M.
Format:	Government Document Book
Language:	English
Published:	Harrisburg [Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1991.
Edition:	3rd ed.
Series:	Educational series (Pennsylvania. Bureau of Topographic and Geologic Survey) ; 1.
Subjects:	Mineralogy > Pennsylvania > Popular works. Petrology > Pennsylvania > Popular works. Mineralogy > Popular works. Petrology > Popular works. Mineralogy. Petrology. Pennsylvania. Popular works.

Description
Item Description:	"DER #509-3/90"--Back cover. Previous edition published as: Common rocks and minerals of Pennsylvania / Davis M. Lapham, Alan R. Geyer. 2nd edition, revised 1970.
Physical Description:	30 pages : color illustrations, map ; 23 cm.