Petroleum
Subtitle: a history of the oil region of Venango County, Pennsylvania, its resources, mode of development, and value ; embracing a discussion of ancient oil operations.
Series: Library of American civilization -- LAC 10152.
Publisher: J.P. Skelly & Co.
Published: 1970
Place of publication: Philadelphia
Language: eng
Format: Microform
Number of pages: 299
Subjects: Petroleum -- Pennsylvania -- Venango County.
Notes: Microfiche. Chicago : Library Resources,inc., 1970. 1 microfiche ; 8 x 13 cm. (Library of American civilization ; LAC 10152)