000 00293pam a2200121a 44500
082 _a622.33
_bW86m
100 _aWood-Ruff, Seth D.
245 1 _aMETHODS OF WORKING COAL AND METAL MINES
260 _aOxford
_bPergamon Press
_c1966
300 _av.
964 _gCIRC
997 _a35295 v. 3 C
999 _c443254
_d443254