Magnetite deposits of the Cornwall type in Pennsylvania /

Bibliographic Details
Main Author:	Spencer, Arthur C. (Arthur Coe), 1871-1964 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1908.
Series:	Bulletin (Geological Survey (U.S.)) ; no. 359.
Subjects:	Iron ores > Pennsylvania. Iron ores. Pennsylvania.
Online Access:	https://purl.fdlp.gov/GPO/gpo60641

Available Online