| 000 | 00534cab a2200205 4500 | ||
|---|---|---|---|
| 001 | WB2733-21 | ||
| 008 | 090401t1991 xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u64640 | ||
| 041 | _aeng | ||
| 245 | _aWhy mappers have no more hills to climb | ||
| 260 | _c1991 | ||
| 350 | _a0 | ||
| 490 |
_aIndependent _v19/8/91 p12 |
||
| 520 | _aDiscusses the demise of redundant Ordnance Survey pillars. | ||
| 650 | _aGPS | ||
| 650 | _aTRIANGULATION SYSTEM | ||
| 690 | _aMAPPING AND MEASUREMENT | ||
| 942 | _n0 | ||
| 948 | _c04/03/1997 | ||
| 999 |
_c40268 _d40268 |
||