000 00344pam a2200109a 44500
082 _aTR
_bIC-7783
100 _aE. B. Olds
245 1 _aMethods and costs of deepening the crescent shaft bunker hill sullivan minining and concent rating company, Kellogg,Shoshone County Idaho
260 _a
_b
_c
700 _aE. W. Parsons
997 _aTR5376 C
999 _c405463
_d405463