000
00262pam a2200109a 44500
082
_a
TR
_b
RI-9294
100
_a
Richard J. Mainiero
245
1
_a
Use of sheathed explosive charges on longwalls
260
_a
_b
_c
700
_a
Lon D. Santis
997
_a
TR6667 C
999
_c
405828
_d
405828