The barren zone of the northern Appalachian coal field and its relations to Pittsburg's industries
By: By I.C. White ...
Published: 1908
Place of publication: [Pittsburg?
Language: eng
Number of pages: 20
Subjects: Coal mines and mining -- United States.; Industries -- Pennsylvania -- Pittsburgh.
Notes: Caption title.
On cover: Address of Dr. I.C. White, state geologist of West Virginia, before the American Mining Congress, Pittsburg, Pennsylvania, on Friday the 5th day of December, 1908.