Guidebook to the geology about Pittsburgh
By: by Henry Leighton.
Series: Bulletin G,; 17
Publisher: Department of internal affairs, Topographic and geologic survey
Published: 1939
Place of publication: Harrisburg, Pa
Language: eng
Number of pages: 35
Subjects: Geology -- Pennsylvania -- Pittsburgh Region.; Pittsburgh (Pa.) -- Guidebooks.
Genres: Guidebooks.
Notes: "Selected bibliography": p. 34-35.
At head of title: Pennsylvania Geological survey, Fourth series.
On cover: Commonwealth of Pennsylvania. Department of internal affairs.