Geology and origin of the triassic magnetite deposit and diabase at Cornwall, Pennsylvania
By: by Davis M. Lapham and Carlyle Gray.
Contributors: Gray, Carlyle.; Pennsylvania. Department of Environmental Resources.; Pennsylvania. Bureau of Topographic and Geologic Survey.
Series: Pennsylvania Geological Survey, fourth series -- no.M56
Publisher: Pennsylvania Geological Survey
Published: 1973
Place of publication: Harrisburg
Language: eng
Number of pages: 343
Subjects: Magnetite -- Pennsyvlania -- Cornwall region.; Geology -- Pennsylvania -- Cornwall region.; Mines and mineral resources -- Pennsylvania -- Cornwall region.
Notes: Three folded colour maps in pocket.