000 00640cab a2200205 4500
001 WB2517-23
008 090401t1989 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u24178
041 _aeng
245 _aDigital mapping
260 _c1989
350 _a0
490 _aTimes
_v1/5/89 p4
520 _aReports on Ordnance Survey `s progress in digital mapping . Reviews the use of computerised mapping to reduce the incidence of roadworks and traffic delays in Dudley in the West Midlands .
650 _aHM LAND REGISTRY
650 _aUtilities
_96272
690 _aPRACTICE AND TECHNIQUES
942 _n0
948 _c04/03/1997
999 _c16200
_d16200