Part first. The northern townships of Butler County.
Subtitle: Part second. A special survey made in 1875 along the Beaver and Shenango rivers in Butler, Lawrence and Mercer conties.
By: By H. Martyn Chance.
Series: Pennsylvania. Geological Survey, 2d. Report of progress -- V; Report of progress (Geological Survey of Pennsylvania) -- V.
Publisher: Pub. by the Board of Commissioners for the Second Geological Survey
Published: 1879
Place of publication: Harrisburg
Language: eng
Number of pages: 248
Subjects: Geology -- Pennsylvania.
Other titles: Northern townships of Butler County.; Special survey made in 1875 along the Beaver and Shenango rivers.
Notes: Folded plates and maps in pocket.