Occupational employment
Subtitle: petroleum and coal products, except petroleum refining industry, May 1971
By: U.S. Department of Labor/Bureau of Labor Statistics.
Contributors: United States. Bureau of Labor Statistics.
Series: Report -- 430-81.; Report (United States. Bureau of Labor Statistics) -- 430-81.
Publisher: The Bureau
Published: 1974
Place of publication: Washington, D.C
Language: eng
Subjects: Petroleum industry and trade -- United States -- Employees -- Statistics.
Other titles: Petroleum and coal products, except petroleum refining industry, May 1971.
Notes: Caption title.

"November 1974."