Report of progress in the Cambria and Somerset District of the bituminous coal fields of Western Pennsylvania
Subtitle: F. and W. G. Platt.
Contributors: Platt, W. G.
Series: Second Geological survey of Pennsylvania -- 1876.
Publisher: Board of commissioners for the second geological survey
Published: 1877
Place of publication: Harrisburg
Language: eng
Number of pages: 348
Notes: Map in pocket in rear cover.