000
00247pam a2200097a 44500
082
_a
TR
_b
IC-7760
100
_a
C. W. Owings
245
1
_a
Dust control in mining,tunneling, and quarrying in the United States
260
_a
_b
_c
997
_a
TR5356 C
999
_c
405454
_d
405454