Geologic investigation of the Boyertown magnetite deposits in Pennsylvania /

Bibliographic Details
Main Authors:	Hawkes, H. E. (Herbert Edwin), 1912-1996 (Author), Wedow, Helmuth, 1917- (Author), Balsley, J. R. (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1953.
Series:	Geological Survey bulletin ; 995-D. Contributions to economic geology.
Subjects:	Magnetite > Pennsylvania > Boyertown. Mines and mineral resources > Pennsylvania > Boyertown. Magnetite. Mines and mineral resources. Pennsylvania. Pennsylvania > Boyertown Region.
Online Access:	https://purl.fdlp.gov/GPO/gpo65187

Description
Item Description:	Title from title screen (viewed July 21, 2014). Additional title page description: "With a section on land and airborne magnetic surveys in the vicinity of Boyertown, Berks County, Pennsylvania."
Physical Description:	1 online resource (iii, 135-149 pages, 5 unnumbered pages of plates) : illustrations (some color).
Bibliography:	Includes bibliographical references (page 148) and index.