000 00758nam a2200241 a 4500
001 69053
003 BD-RjUL
005 20211209081838.0
008 170409s1914 enka 001 0 e d
035 _a(BD-RjUL)69264
040 _aBD-RjUL
_beng
_cBD-RjUL
041 _aeng
082 _223
_a622.33
_bKEP 1914
100 1 _aKerr, George L.
_9204574
245 1 0 _aPractical coal mining :
_bA manual for managers under-managers, colliery engineers, and others /
_cGeorge L. Kerr.
250 _a5th rev. ed.
260 _aLondon :
_bCharles Griffin,
_c1914.
300 _axi, 778 p. :
_bill. ;
_c20 cm.
500 _aIncludes Indexes
650 _aCoal mines and mining
_9204575
690 0 0 _aPhysics
_xEngineering
_xMining
_2pre20
_9204580
942 _2ddc
_cBK
999 _c69053
_d69053