| 000 | 00539cam a2200181 4500 | ||
|---|---|---|---|
| 008 | 090401t1973 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0901429597 | ||
| 035 | _a(Sirsi) u67631 | ||
| 041 | _aeng | ||
| 050 | _a622.1 | ||
| 110 |
_aNational Coal Board _91972 |
||
| 245 | _aMining Department NCB (Mining) codes and rules: surveying practice | ||
| 260 |
_aLondon _bNational Coal Board Mining Department _c1973 |
||
| 300 | _a41p. (26)leaves. (22 fold). ill(some col). maps(some col). | ||
| 350 | _a3 | ||
| 942 | _n0 | ||
| 948 | _c04/03/1997 | ||
| 999 |
_c95035 _d95035 |
||