000 00700cab a2200217 4500
001 ABS51952
008 090401t1994 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u52516
041 _aeng
100 _aRussell, L.
245 _aOld aerial photographs: past in focus
260 _c1994
350 _a0
490 _aNew Civil Engineer
_v(1106) 10 November 1994, 18-20(3)
520 _aDiscusses the advantages of using old aerial photographs in construction, as a cost-effective means of detecting potential hazards such as soft ground and swallow holes.
650 _aAERIAL PHOTOGRAPHY
650 _aORDNANCE SURVEY
690 _aLAND SURVEYING
942 _n0
948 _c04/03/1997
999 _c32513
_d32513