TY  - BOOK
ED  - United States
TI  - Federal metal and nonmetallic mine safety act (oversight): Hearings, Ninety-second Congress, second session ..
AV  - KF27 .E345 1972a
U1  - 344/.73/0465 
PY  - 1972///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Mine safety
KW  - Law and legislation
KW  - United States
KW  - Local
N1  - Hearings held May 15-18 in Washington, D.C., and July 31, 1972 in Kellogg, Idaho
ER  -