The geology of McKean County, and its connection with that of Cameron, Elk, and Forest.
By: By Chas. A. Ashburner.
Series: Pennsylvania. Geological survey, 2d. Report of progress -- R; Report of progress (Geological Survey of Pennsylvania) -- R.
Publisher: Pub. by the Board of Commissioners for the Second Geological Survey, 1880-81.
Published: 1881
Place of publication: Harrisburg
Language: eng
Number of pages: 371
Subjects: Geology -- Pennsylvania -- McKean County.