Geologic investigation of the Boyertown magnetite deposits in Pennsylvania
By: by H. E. Hawkes, Helmuth Wedow, and J. R. Balsley.
Contributors: Wedow, Helmuth, 1917-; Balsley, J. R.
Series: Contributions to economic geology; Geological Survey bulletin -- 995-D
Publisher: U.S. G.P.O.
Published: 1953
Place of publication: Washington
Language: eng
Number of pages: 149
Subjects: Magnetite -- Pennsylvania -- Boyertown.; Geology, Economic -- Pennsylvania -- Boyertown.; Magnetic anomalies -- Pennsylvania -- Boyertown.; Geomagnetism -- Pennsylvania -- Boyertown.; Borings -- Pennsylvania -- Boyertown.; Rocks, Sedimentary -- Pennsylvania -- Boyertown.
Notes: Maps on five folded plates in pocket (plates 16-20).

Includes bibliographical references (p. 148) and index.