| 000 | 00828cab a2200241 4500 | ||
|---|---|---|---|
| 001 | ABS49362 | ||
| 008 | 090401t xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u71011 | ||
| 041 | _aeng | ||
| 100 | _aJack, A. | ||
| 245 | _aDetecting mineshafts using geophysical techniques | ||
| 350 | _a0 | ||
| 490 |
_aCS Monthly : Minerals bulletin _v3(1) |
||
| 520 | _aDiscusses geophysical techniques for detecting abandoned mineshafts including magnetic surveys, conductivity surveys, resistivity methods and seismic refraction surveys concluding with a case study. References available from library. | ||
| 650 | _aABANDONED MINE WORKINGS | ||
| 650 | _aGEOPHYSICAL SURVEYS | ||
| 650 | _aMAGNETIC SURVEYS | ||
| 650 | _aMENTOR | ||
| 650 | _aSUBSIDENCE | ||
| 690 | _aMINING AND MINERALS | ||
| 942 | _n0 | ||
| 948 | _c04/03/1997 | ||
| 999 |
_c44741 _d44741 |
||