Oil and gas
By: compiled by workers of the Writers Program of the Work Projects Administration in the Commonwealth of Pennsylvania.
Contributors: Smedley, Elizabeth.; Writers' Program of the Work Projects Administration in the Commonwealth of Pennsylvania.
Series: Elementary science series ;; 36th; Elementary science series ;; no. 36.
Publisher: A. Whitman & Co.
Published: 1944
Place of publication: Chicago
Language: eng
Number of pages: 48
Subjects: Petroleum.; Natural gas.
Notes: "Prepared by the Pennsylvania War services project ... edited by Elizabeth Smedley"--Foreword.