000 00657cab a2200217 4500
001 MEN2
008 090401t1979 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u14998
041 _aeng
100 _aLittlejohn, G.S.
245 _aSurface stability in areas ynderlain by old coal workings
260 _c1979
350 _a0
490 _aGround Engineering
_vMarch 1979, 22-30(6)
520 _aCitation from CSM article `Detecting mineshafts using geophysical techniques` CSM:M 3(1) September 1993, 4-6. Stored on gallery.
650 _aCOAL MINES
650 _aSUBSIDENCE
690 _aMINING AND MINERALS
942 _n0
948 _c04/03/1997
999 _c9794
_d9794