Low productivity in American coal mining
Subtitle: causes and cures : summary : report to the Congress
By: by the Comptroller General of the United States.
Publisher: U.S. General Accounting Office
Published: 1981
Place of publication: Washington, D.C
Language: eng
Subjects: Coal mines and mining -- Labor productivity -- United States.; Industrial relations -- United States.
Notes: Cover title.

"March 3, 1981."

"EMD-81-17."