The geology of Philadelphia County and of the southern parts of Montgomery and Bucks
By: By Charles E. Hall. With analyses of rocks. By Dr. F.A. Genth, and F.A. Genth, jr.
Contributors: Genth, F. A. 1820-1893
Series: Pennsylvania. Geological survey, 2d. Report of progress -- C6; Report of progress (Geological Survey of Pennsylvania) -- C6.
Publisher: Pub. by the Board of commissioners for the Second geological survey
Published: 1881
Place of publication: Harrisburg
Language: eng
Number of pages: 145
Subjects: Geology -- Pennsylvania.
Notes: Plate and maps in pocket.

Atlas (C) has caption title: Atlas to report on Bucks and Montgomery counties.

Maps in atlas were constructed from surveys of the Philadelphia Water dept., and are dated 1887.