Guidebook to the geology about Pittsburgh
Edition: 2d ed.
Series: Pennsylvania. Bureau of Topographic and Geologic Survey. Bulletin G17; Bulletin G,; 17.
Publisher: Department of Internal Affairs, Topographic and Geologic Survey
Published: 1947
Place of publication: Harrisburg, Pa
Language: eng
Number of pages: 35
Subjects: Geology -- Pennsylvania -- Pittsburgh.; Pittsburgh (Pa.) -- Guidebooks..
Genres: Guidebooks..
Notes: "Selected bibliography: p. 34-35.
At head of title: Pennsylvania Geological Survey, Fourth series.