Federal coal-mine inspection - a decade of progress
Subtitle: annual report for fiscal year 1951 and 10-year review
By: by J.J. Forbes, N.J. Ankeny and H.F. Weaver.
Contributors: Ankeny, N.J.; Weaver, H.F.; United States. Bureau of Mines.
Series: Information circular (United States. Bureau of Mines) -- 7625
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1951
Place of publication: Washington, DC
Language: eng
Number of pages: 47
Notes: 1