Geology of the Pittsburgh area
By: by Walter R. Wagner [and others]
Contributors: Wagner, Walter Richard, 1928-; Pittsburgh Geological Society.
Series: Pennsylvania. Topographic and Geologic Survey. General geology report G 59; General geology report G ;; 59.
Published: 1970
Place of publication: Harrisburg
Language: eng
Number of pages: 145
Subjects: Geology -- Pennsylvania -- Allegheny Co
Notes: Bibliography: p. 141-145.
"Pennsylvania Geological Survey fourth series."
"Prepared in cooperation with the Pittsburgh Geological Society."
Part of illustrative matter in pocket.