http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania
Contributions to economic geology, 1949-50, diamond-drill exploration, Dillsburg magnetite deposits
1 online resource (iv, 27 pages, 10 pages of plates) : illustrations, maps.
Title from title screen (viewed July 21, 2014).
Includes bibliographical references (page 25) and index.
Contributions to economic geology ; 1949-50