Hours and earnings in anthracite and bituminous coal mining : anthracite-1919 and 1920, bituminous-1919

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Bibliographic Information

Title
"Hours and earnings in anthracite and bituminous coal mining : anthracite-1919 and 1920, bituminous-1919"
Publisher
  • U.S. G.P.O.
Publication Year
  • 1921
Book size
23 cm

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Notes

At head of title: United States Department of Labor... Bureau of Labor Statistics...

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