The composition and fuel value of natural gas.
By: By Prof. Francis C. Phillips ...
Contributors: Geological Survey of Pennsylvania.
Publisher: E.K. Meyers, state printer
Published: 1887
Place of publication: Harrisburg
Language: eng
Number of pages: 41
Subjects: Natural gas
Notes: Cover title.
At head of title: Geological survey of Pennsylvania. J.P. Lesley, state geologist.
Extract from Annual report for 1886.