Guide to the geology from Dauphin to Sunbury /

Bibliographic Details
Main Author:	Willard, Bradford, 1894-
Format:	Book
Language:	English
Published:	Harrisburg, Pa. : Department of Internal Affairs, Topographic and Geologic Survey, 1939.
Series:	Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ; G13.
Subjects:	Geology > Pennsylvania > Northumberland County. Geology > Pennsylvania > Dauphin County.

Description
Item Description:	On cover: Commonwealth of Pennsylvania. Department of Internal Affairs.
Physical Description:	24 pages including illustrations, tables, folded map.
Bibliography:	"List of references": pages 18-19.