Federal metal and nonmetallic mine safety act (oversight).
Subtitle: Hearings, Ninety-second Congress, second session ...
Publisher: U.S. Govt. Print. Off.
Published: 1972
Place of publication: Washington
Language: eng
Number of pages: 265
Subjects: Mine safety -- Law and legislation -- United States.
Notes: Hearings held May 15-18 in Washington, D.C., and July 31, 1972 in Kellogg, Idaho.