1.
Working for Safety and Health in Underground Mines : Oral history Transcript
by Swent, Langan W. 1916-1992....
ISBN: 9781171540663
List Price: $38.75
2.
Working for Safety and Health in Underground Mines : Oral history Transcript
by Swent, Langan W. 1916-1992....
ISBN: 9781176964648
List Price: $46.75
3.
Working for Safety and Health in Underground Mines : Oral History Transcript: San Luis and H...
by Chall, Malca, Swent, Eleano...
ISBN: 9781345134278
List Price: $31.95
4.
Working for Safety and Health in Underground Mines : Oral History Transcript: San Luis and H...
by Chall, Malca, Swent, Eleano...
ISBN: 9781347521984
List Price: $29.95