000
00260pam a2200109a 44500
082
_a
TR
_b
IC-9212
100
_a
Ernest J. Conway
245
1
_a
Material handling devices for underground mines
260
_a
_b
_c
700
_a
Richard Unger
997
_a
TR6420 C
999
_c
405664
_d
405664