000			01131cab a2200289 4500
001			A1A129
008			090401t1991 xxu||||| |||| 00| 0 eng d
035			_a(Sirsi) u27186
041			_aeng
100			_aJeffries-Harris, T.
245			_aManagement of marine sand and gravel - a seabed information system
260			_c1991
350			_a0
490			_aLand & Minerals Surveying _v9(2) February 1991, 6-8(3)
520			_aManagement of the marine aggregate resource is the responsibility of the Crown Estate Commissioners. Their recent investment in a geographic information system enables them to evaluate the volume of the resource available and exploit it efficiently, ensuring that extraction is in no way detrimental to the marine and coastal environment.
650			_aCROWN ESTATE
650			_aGIS
650			_aMARINE AGGREGATE DATABASE
650			_aMARINE AGGREGATES
650			_aMARINE RESOURCES
650			_aPOSFORD DUVIVIER
690			_aMANAGEMENT-BUSINESS MANAGEMENT-INFORMATION MANAGEMENT
690			_aMINING AND MINERALS
700			_aSelwood, J.
942			_n0
948			_c04/03/1997
999			_c18305 _d18305