Title: Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania
First published: 1950
Subjects: Boring, Economic Geology, Geology, Geology, Economic, Geology, Stratigraphic, Igneous Rocks, Magnetite, Mines and mineral resources, Ore deposits, Rocks, Igneous, Rocks, Sedimentary, Sedimentary Rocks, Stratigraphic Geology
Places: Pennsylvania, York County
Time periods: Triassic