Wage chronology.
Contributors: United States. Bureau of Labor Statistics.
Series: Bulletin / United States. Bureau of Labor Statistics -- no. 1558; Bulletin of the United States Bureau of Labor Statistics -- 1558.
Publisher: U.S. Dept. of Labor, Bureau of Labor Statistics; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1967
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Wages -- Coal miners -- United States; Coal miners -- United States
Other titles: Bituminous coal mines, 1933-68
Notes: "July 1967."