Mine inspection records study
By: by George J. Conroy, Glenn Harrison, and Jack Simmons ; Pittsburgh Mining and Safety Research Center.
Contributors: Harrison, Glenn.; Simmons, Jack.; United States. Bureau of Mines.
Series: Information circular - Bureau of Mines ; 8726; Information circular (United States. Bureau of Mines) -- 8726.
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1976
Place of publication: [Washington]
Language: eng
Number of pages: 11
Subjects: Mine inspection.