Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania
By: by Preston E. Hotz.
Series: Contributions to economic geology; Geological Survey bulletin -- 969-A
Publisher: U.S. G.P.O.
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Geology -- Pennsylvania -- York County.; Magnetite -- Pennsylvania -- York County.; Boring -- Pennsylvania -- York County.; Rocks, Sedimentary -- Pennsylvania -- York County.; Rocks, Igneous -- Pennsylvania -- York County.; Ore deposits -- Pennsylvania -- York County.; Geology, Economic -- Pennsylvania -- York County.; Geology, Stratigraphic -- Triassic.; Mines and mineral resources -- Pennsylvania -- York County.
Notes: Maps and sections on ten folded plates in pocket (plates 1-10).

Includes bibliographical references (p. 25) and index.