000
00288pam a2200109a 44500
082
_a
TR
_b
RI-9223
100
_a
J. Drew Potts
245
1
_a
Respirable dust sources and controls on continuous auger mining sections
260
_a
_b
_c
700
_a
George Niewiadomski
997
_a
TR6598 C
999
_c
405764
_d
405764