Occupational employment
Subtitle: petroleum refining industry, May 1971
By: U.S. Department of Labor/Bureau of Labor Statistics.
Contributors: United States. Bureau of Labor Statistics.
Series: Report -- 430-29.; Report (United States. Bureau of Labor Statistics) -- 430-29.
Publisher: The Bureau
Published: 1974
Place of publication: Washington, D.C
Language: eng
Number of pages: 10
Subjects: Petroleum refineries -- United States -- Employees -- Statistics.
Other titles: Petroleum refining industry, May 1971.
Notes: Caption title.

Nov. 1974.