Cover image for Hours and earnings in bituminous coal mining, 1929.
Hours and earnings in bituminous coal mining, 1929.
Title:
Hours and earnings in bituminous coal mining, 1929.
Publication Information:
Washington : Govt. Print. off., 1930.
Physical Description:
iii, 63 pages : illustrations ; 23 cm.
Series:
Bulletin of the United States Bureau of Labor Statistics ; no. 516

Wages and hours of labor series

Bulletin of the United States Bureau of Labor Statistics ; no. 516.

Wages and hours of labor series.
Language:
English
Subject Term:
Hours of labor -- United States.

Wages -- United States.

Coal miners -- United States.

Coal mines and mining -- United States.
Format :
Book

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